• INCLUSION CRITERIA:Patients must meet all the following criteria to be eligible for study enrolment:
• Diagnosis of advanced renal cell cancer (RCC) associated with hereditary leiomyomatosis and renal cell cancer (HLRCC) (cohorts 1 & 3) or sporadicon-HLRCC papillary RCC (cohort 2 & 4)
• Measurable disease outlined in Response Evaluation Criteria in Solid Tumors (RECIST) 1.1
• No more than two prior regimens targeting the vascular endothelial growth factor (VEGF) pathway; no prior bevacizumab therapy
• Age greater than or equal to 18 years.
• Performance status Eastern Cooperative Oncology Group (ECOG) 0-2
• Patients must have normal organ and marrow function as defined below: white blood cell (WBC) count greater than or equal to 3,000/microL, absolute neutrophil count greater than or equal to 1,500/microL, platelet count greater than or equal to 100,000/microL, serum creatinine greater than or equal to 2 times the upper limit of reference range or creatinine clearance greater than or equal to 30 ml/min, aspartate aminotransferase (AST) and alanine aminotransferase (ALT) less than 2.5 times the upper limit of reference range, total bilirubin less than 1.5 times the upper limit of reference range ( less than 3 x upper limit of reference range in patients with Gilbert's disease), alkaline phosphatase less than or equal to 2.5 times the upper limit of reference range (or less than or equal to 5 times the upper limit of reference range if considered to be related to liver or bone metastases by the principal investigator (PI)
• Recovery from acute toxicity of prior treatment for RCC (to less than or equal to grade 1 the active version of Common Terminology Criteria for Adverse Events (CTCAE) or to a level permitted under other sections of Inclusion/ Exclusion criteria).
• At least 4 weeks from completion of major surgery and a healed surgical incision
• Negative pregnancy test (within 7 days of enrolment) in women of childbearing potential
• No myocardial infarction, gastrointestinal (GI) perforation/fistula, intra-abdominal abscess, cerebrovascular accidents within six months prior to study entry
• No coagulopathy or bleeding diathesis
• Ability to understand and the willingness to sign a written informed consent document.
• Archival tissue block or unstained tumor tissue available for correlative studiesEXCLUSION CRITERIA:
• Prior invasive malignancy of other histology, with the exception of adequately treated basal or squamous cell carcinoma of the skin, or any other malignancy for which the patient does not currently require treatment and/or has no evidence of disease for greater than or equal to 2 years.
• Patients with known brain metastases unless treated with an appropriate modality with no evidence of progression/recurrence for greater than 3 months
• Hypertension not controlled by medical therapy (resting systolic blood pressure greater than 140 mmHg or diastolic blood pressure greater than 90 mmHg on at least two occasions over a 24 hour period despite optimal medical management).
• Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection requiring intravenous antibiotics, symptomatic congestive heart failure (New York Heart Association grade III or greater), unstable angina pectoris, or psychiatric illness/social situations that would limit compliance with study requirements.
• Serious, non-healing wound or ulcer; bone fracture within 3 months prior to study entry
• Patient known to be human immunodeficiency virus (HIV)-positive and requiring antiretroviral therapy (due to the risk of potential drug interactions)
• Concomitant therapy with potent inhibitors of Cytochrome P450 3A4 (CYP450 3A4) (e.g., ketoconazole, verapamil etc.) or with potent CYP450 1A2 inhibitors (fluoroquinolone antibiotics including ciprofloxacin, levofloxacin, and norfloxacin; ticlodipine, cimetidine, amiodarone, etc. see Appendix C)
• Pregnant women are excluded from this study because bevacizumab and erlotinib are anti-cancer agents with the potential for teratogenic or abortifacient effects. Because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with these agents, breastfeeding should be discontinued if the mother is treated on this study
• All men and women of childbearing potential must be willing to use effective contraception as determined by the principal investigator (including but not limited to abstinence, hormonal contraceptives (birth control pills, injections, or implants), intrauterine device (IUD), tubal ligation, vasectomy) from the time of enrolment to at least six months following the last dose of drug
• Any known hypersensitivity to bevacizumab, erlotinib or other excipients of these drugs
• Documented baseline proteinuria greater than 1000mg/day on 24-hour urine collection. Only patients with 1+ or greater proteinuria on urinalysis (UA) and a spot urine protein: creatinine ratio of greater than 0.5 will undergo a 24-hour urine collection for quantitation of proteinuria.
• Left ventricular ejection fraction less than 40% as measured on transthoracic echocardiogram.INCLUSION OF WOMEN AND MINORITIES:Both men and women and members of all races and ethnic groups are eligible for thistrial.

Inclusion Criteria:

• Pathologically (histologically or cytologically) proven diagnosis of renal cell carcinoma prior to registration
• Node-positive unresectable (TxN1Mx) or metastatic (TxNxM1) based on the following diagnostic workup:
• History/physical examination within 45 days prior to registration
• CT/magnetic resonance imaging (MRI) of the chest/abdomen/pelvis within 45 days prior to registration
• Patients must have IMDC intermediate (1-2 factors) or poor risk disease (>= 3 factors)
• Patients with a prior or concurrent malignancy whose natural history or treatment does not have the potential to interfere with the safety or efficacy assessment of the investigational regimen are eligible for this trial
• Patients with measurable disease (node positive or metastatic) as defined by RECIST version 1.1 excluding the primary renal tumor
• Patient not recommended for or refused immediate cytoreductive nephrectomy
• Candidate for standard of care therapy with either immuno-oncology (IO)-IO or IO-VEGF combination regimen
• Primary renal tumor measuring 20 cm or less in anterior to posterior dimension only on axial imaging
• Age >= 18
• Karnofsky performance status >= 60 within 45 days prior to registration
• Hemoglobin >= 8 g/dL (transfusions are allowed) (within 45 days prior to registration)
• Platelet count >= 50,000/mm^3 (within 45 days prior to registration)
• Absolute neutrophil count (ANC) >= 1500/mm^3 (within 45 days prior to registration)
• Calculated (Calc.) creatinine clearance >= 30 mL/min (within 45 days prior to registration)
• For African American patients specifically whose renal function is not considered adequate by the formula above, an alternative formula that takes race into account (Chronic Kidney Disease Epidemiology Collaboration CKD-EPI formula) should be used for calculating the related estimated glomerular filtration rate (GFR) with a correction factor for African American race creatinine clearance for trial eligibility, where GFR >= 30 mL/min/1.73m^2 will be considered adequate
• Total bilirubin =< 1.5 x upper limit of normal (ULN) (except subjects with Gilbert Syndrome, who can have total bilirubin < 3.0 mg/dL) (within 45 days prior to registration)
• Aspartate aminotransferase and alanine aminotransferase (AST and ALT) =< 3 x upper limit of normal (ULN) or < 5 x ULN if hepatic metastases present (within 45 days prior to registration)
• Patients with known human immunodeficiency virus (HIV) on effective anti-retroviral therapy with undetectable viral load within 6 months are eligible for this trial. Testing is not required for entry into protocol
• For patients with evidence of chronic hepatitis B virus (HBV) infection, the HBV viral load must be undetectable on suppressive therapy, if indicated
• Patients with a history of hepatitis C virus (HCV) infection must have been treated and cured. Patients with HCV infection who are currently on treatment are eligible if they have an undetectable HCV viral load
• The patient must agree to use a highly effective contraception, including men with vasectomies if they are having sex with a woman of childbearing potential or with a woman who is pregnant, while on study drug and for 6 months following the last dose of study drug. Childbearing potential is defined as any person who has experienced menarche and who has not undergone surgical sterilization (hysterectomy or bilateral oophorectomy) or who is not postmenopausal
• The patient or a legally authorized representative must provide study-specific informed consent prior to study entry and, for patients treated in the United States (U.S.), authorization permitting release of personal health information

Exclusion Criteria:

• Patients with planned treatment of all metastatic disease with definitive therapy including either surgery, ablative (non-palliative) doses of radiation, or intervention of some type (definitive interventional radiology techniques) to ALL metastatic sites rendering the patient without extra-renal measurable disease. Patients NOT planned for definitive treatment of all metastatic sites are eligible. Lesions radiated palliatively are not eligible for response assessment
• Patients with untreated or unstable brain metastases or cranial epidural disease
• Note: Patients who have been adequately treated with radiotherapy, radiosurgery, or surgery and stable for at least 4 weeks prior to registration as documented by MRI or CT imaging or deemed stable by clinical investigator are eligible. Treated brain metastases are defined as having no ongoing requirement for steroids and no evidence of progression or hemorrhage after treatment for at least 4 weeks prior to registration as documented by MRI or CT imaging or deemed stable by clinical investigator
• Prior radiotherapy to the kidney that would result in overlap of radiation therapy fields treatment of the primary tumor
• Any systemic therapy for metastatic renal cell carcinoma (RCC) that was initiated > 90 days before registration, note that prior chemotherapy for a different cancer is allowed (completed > 3 years prior to registration)
• Severe, active comorbidity defined as follows:
• Active autoimmune disease requiring ongoing therapy including systemic treatment with corticosteroids (> 10 mg daily prednisone equivalents) or other immunosuppressive medications daily. Inhaled steroids and adrenal replacement steroid doses > 10 mg daily prednisone equivalents are permitted in the absence of active autoimmune disease
• History of severe allergic, anaphylactic or other hypersensitivity reactions to chimeric or humanized antibodies
• Active tuberculosis (purified protein derivative [PPD] response without active tuberculosis [TB] is allowed)
• Uncontrolled hypertension (systolic blood pressure [BP] > 190 mmHg or diastolic BP > 110 mmHg)
• Major surgery requiring hospital admission ≤ 28 days prior to registration.
• Any serious (requiring hospital stay or long-term rehab) non-healing wound, ulcer, or bone fracture within 45 days prior to registration
• Any arterial thrombotic (ST elevation myocardial infarction [STEMI], non-ST elevation myocardial infarction [NSTEMI], cerebrovascular accident [CVA], etc) events within 180 days prior to registration
• Active New York (NY) Heart Association class 3-4 heart failure symptoms
• Moderate or severe hepatic impairment (Child-Pugh B or C)
• Any history of untreated pulmonary embolism or deep venous thrombosis (DVT) within 180 days prior to registration. (Any asymptomatic or treated pulmonary embolism or asymptomatic treated deep venous thrombosis > 30 days prior to registration is allowed)
• Unstable cardiac arrhythmia within 180 days prior to registration
• History of abdominal fistula, gastrointestinal perforation, intra-abdominal abscess, bowel obstruction, or gastric outlet obstruction within 180 days prior to registration
• History of or active inflammatory bowel disease
• Malabsorption syndrome within 45 days prior to registration
• Pregnancy and individuals unwilling to discontinue nursing. For women of child bearing potential must have a negative pregnancy test =< 45 days prior to registration

Inclusion Criteria:

• Patients with newly diagnosed stages 2 - 4 diffuse anaplastic Wilms tumor must be enrolled on APEC14B1, consented to Part A - Eligibility Screening, and have received an initial stratum assignment showing DAWT (if anaplasia first identified at diagnostic, pre-treatment nephrectomy or biopsy) or a final stratum assignment showing DAWT (if anaplasia first noted at delayed nephrectomy) prior to enrollment on AREN1921. Prior enrollment on APEC14B1 is not an eligibility requirement for patients with relapsed favorable histology Wilms tumor.
• Patients must be =< 30 years old at study enrollment
• Patients with the following diagnoses are eligible for this study:
• Newly diagnosed stages 2 - 4 diffuse anaplastic Wilms tumor as confirmed by central review
• Favorable histology Wilms tumor at first relapse. Relapsed FHWT patients must have previously achieved remission for their initial FHWT diagnosis to be eligible for this study. The relapse risk groups are defined as follows, regardless of radiation therapy:
• Standard-Risk relapse: Patients who received two chemotherapy agents for frontline therapy; primarily actinomycin D and vincristine
• High-Risk relapse: Patients who received three chemotherapy agents for frontline therapy; primarily vincristine, actinomycin D and doxorubicin or vincristine, actinomycin D and irinotecan
• Very High-Risk relapse: Patients who received four or more chemotherapy agents as part of initial therapy; primarily regimen M or its variations
• Patients with newly diagnosed DAWT must have had histologic verification of the malignancy. For relapsed FHWT patients, biopsy to prove recurrence is encouraged, but not required
• Note: For relapsed FHWT patients, an institutional pathology report confirming favorable histology Wilms tumor (from relapse, if available, or from original diagnosis) must be available for upload prior to initiation of protocol therapy
• Patients with newly diagnosed Stages 2 - 4 diffuse anaplastic Wilms tumor must be enrolled on AREN1921 within 2 weeks of the tumor-directed surgery or biopsy procedure that first confirms a diagnosis of DAWT, whether at initial diagnostic procedure or delayed nephrectomy (such surgery/biopsy is day 0). For patients who received prior therapy for presumed favorable histology Wilms tumor, later confirmed to have diffuse anaplastic Wilms tumor at subsequent review of the initial biopsy
• Patients with newly diagnosed DAWT who undergo upfront nephrectomy must have at least 1 lymph node sampled prior to study enrollment
• Patients must have a performance status corresponding to Eastern Cooperative Oncology Group (ECOG) scores of 0, 1 or 2. Use Karnofsky for patients > 16 years of age and Lansky for patients =< 16 years of age
• Patients must have a life expectancy of >= 8 weeks
• Diffuse Anaplastic Wilms Tumor: Patients with diffuse anaplastic histology must have had no prior systemic therapy, except in the following situations:
• Patients with diffuse anaplastic Wilms tumor who received no more than 12 weeks of pre nephrectomy chemotherapy for what was originally presumed to be favorable histology Wilms tumor, subsequently confirmed to be diffuse anaplastic Wilms tumor at delayed nephrectomy
• Patients with diffuse anaplastic Wilms tumor who received no more than 6 weeks of chemotherapy following upfront biopsy, initiated within 14 days of biopsy, for presumed favorable histology Wilms tumor based on institutional review, but subsequently corrected to diffuse anaplastic Wilms tumor based on the initial stratum assignment on APEC14B1-REN
• Treatment consisting of vincristine/doxorubicin/cyclophosphamide initiated on an emergent basis and within allowed timing as described
• Note: Patients who received prior therapy for presumed favorable histology Wilms tumor, later identified to have diffuse anaplastic Wilms tumor as per above, must begin study treatment starting at cycle 3 (week 7) of regimen UH 3. Patients who received emergency radiation to preserve organ function are eligible as noted. Patients who received radiation as part of standard of care for presumed newly diagnosed favorable histology Wilms tumor, along with chemotherapy as noted above, prior to identification of diffuse anaplasia, are also eligible
• Relapsed Favorable Histology Wilms Tumor: Patients must not have received prior chemotherapy for their relapsed favorable histology Wilms tumor diagnosis. In addition, patients must have fully recovered from the acute toxic effects of all prior chemotherapy, immunotherapy, or radiotherapy prior to entering this study
• Myelosuppressive chemotherapy: Must not have received within 2 weeks of entry onto this study
• Radiation therapy (RT): >= 2 weeks (wks) must have elapsed for local palliative RT (small port); >= 6 months must have elapsed if prior craniospinal RT or if >= 50% radiation of pelvis; >= 6 wks must have elapsed if other substantial bone marrow (BM) radiation. Patients with relapsed favorable histology Wilms tumor who received emergency radiation to preserve organ function are eligible and do not need to washout with the above criteria
• Patients may not be receiving any other investigational agents (within 4 weeks prior to study enrollment)
• Peripheral absolute neutrophil count (ANC) >= 750/uL (performed within 7 days prior to enrollment)
• Platelet count >= 75,000/uL (transfusion independent) (performed within 7 days prior to enrollment)
• Hemoglobin >= 8.0 g/dL (may receive red blood cell [RBC] transfusions) (performed within 7 days prior to enrollment)
• Patients with high-risk or very high-risk relapsed FHWT who will be treated with regimen ICE/Cyclo/Topo, must have renal function assessed by creatinine clearance or radioisotope glomerular filtration rate (GFR) and meet the following requirement:
• Creatinine clearance or radioisotope GFR >= 60 mL/min/1.73 m^2 (performed within 7 days prior to enrollment)
• Patients diagnosed with stage 2-4 DAWT or standard risk relapsed FHWT, who will be treated with regimen UH 3, may either obtain a creatinine clearance, radioisotope GFR (meeting the above criteria of GFR >= 60 mL/min/1.73 m^2), or an adequate serum creatinine as per the following table:
• Age: Maximum Serum Creatinine (mg/dL)
• 1 month to < 6 months: 0.4 (male and female)
• 6 months to < 1 year: 0.5 (male and female)
• 1 to < 2 years: 0.6 (male and female)
• 2 to < 6 years: 0.8 (male and female)
• 6 to < 10 years: 1 (male and female)
• 10 to < 13 years: 1.2 (male and female)
• 13 to < 16 years: 1.5 (male), 1.4 (female)
• >= 16 years: 1.7 (male), 1.4 (female)
• Total bilirubin =< 1.5 x upper limit of normal (ULN) for age or direct bilirubin =< ULN for patients whose total bilirubin > 1.5 x ULN (performed within 7 days prior to enrollment)
• Serum glutamic-oxaloacetic transaminase (SGOT) (aspartate aminotransferase [AST]) or serum glutamate pyruvate transaminase (SGPT) (alanine aminotransferase [ALT]) < 2.5 x upper limit of normal (ULN) for age or =< 5 x ULN for patients with liver metastases (performed within 7 days prior to enrollment)
• Shortening fraction of >= 27% by echocardiogram, or ejection fraction of >= 50% by radionuclide angiogram (obtained within 21 days prior to enrollment and start of protocol therapy)

Exclusion Criteria:

• Patients with a history of bilateral Wilms tumor (synchronous or metachronous)
• Patients with any uncontrolled, intercurrent illness including, but not limited to, ongoing or active infection, or symptomatic congestive heart failure (defined as grade 2 or higher heart failure per Common Terminology Criteria for Adverse Events [CTCAE] version 5.0)
• Relapsed FHWT patients who did not receive frontline chemotherapy (e.g., very low risk FHWT initially observed without chemotherapy) or received only one chemotherapy agent for frontline therapy
• For patients with high-risk or very high-risk relapsed FHWT:
• Patients with renal tubular acidosis (RTA) as evidenced by serum bicarbonate < 16 mmol/L and serum phosphate =< 2 mg/dL (or < 0.8 mmol/L) without supplementation
• For stages 2-4 DAWT and standard-risk relapsed FHWT patients:
• Chronic inflammatory bowel disease and/or bowel obstruction
• Concomitant use of St. John's wort, which cannot be stopped prior to the start of trial treatment
• Female patients who are pregnant since fetal toxicities and teratogenic effects have been noted for several of the study drugs. A pregnancy test is required for female patients of childbearing potential
• Lactating females who plan to breastfeed their infants
• Sexually active patients of reproductive potential who have not agreed to use an effective contraceptive method for the duration of their study participation

Inclusion Criteria:

• Age ≥ 18 years
• Current or prior diagnosis of breast cancer, ovarian cancer, pancreatic cancer, prostate cancer, colorectal cancer, renal cancer, melanoma, or sarcoma
• Ability to understand spoken or written English or Spanish in a healthcare context
• Ability to understand and the willingness to sign a written informed consent document
• Black or Latinx (qualitative assessment study only)

Exclusion Criteria:

• Prior cancer genetic testing
• Prior germline genetic testing
• Active hematologic malignancy (e.g. chronic lymphocytic leukemia)
• Currently pregnant
• Currently incarcerated