Platinum Based Chemotherapy or Capecitabine in Treating Patients With Residual Triple-Negative Basal-Like Breast Cancer Following Neoadjuvant Chemotherapy

Nivolumab After Combined Modality Therapy in Treating Patients With High Risk Stage II-IIIB Anal Cancer

Cancer Care Delivery in Adolescent and Young Adult Patients With Acute Lymphoblastic Leukemia

Abiraterone Acetate and Antiandrogen Therapy With or Without Cabazitaxel and Prednisone in Treating Patients With Metastatic, Castration-Resistant Prostate Cancer Previously Treated With Docetaxel

Hypofractionated Radiation Therapy After Mastectomy in Preventing Recurrence in Patients With Stage IIa-IIIa Breast Cancer

Pembrolizumab in Treating Patients With Stage III-IV High-Risk Melanoma Before and After Surgery

Ibrutinib and Obinutuzumab With or Without Venetoclax in Treating Patients With Chronic Lymphocytic Leukemia

Dabrafenib and Trametinib in Treating Patients With Stage III-IV BRAF Mutant Melanoma That Cannot Be Removed by Surgery

Ipilimumab With or Without Nivolumab in Treating Patients With Melanoma That Is Stage IV or Stage III and Cannot Be Removed by Surgery

Naloxegol in Treating Patients With Stage IIIB-IV Non-small Cell Lung Cancer

S1613, Trastuzumab and Pertuzumab or Cetuximab and Irinotecan Hydrochloride in Treating Patients With Locally Advanced or Metastatic HER2/Neu Amplified Colorectal Cancer That Cannot Be Removed by Surgery

Pembrolizumab and Epacadostat in Treating Patients With Recurrent, Persistent, or Progressive Ovarian Clear Cell Carcinoma

Ibrutinib and Obinutuzumab With or Without Venetoclax in Treating Older Patients With Untreated Chronic Lymphocytic Leukemia

Multi-Institutional Registry for Prostate Cancer Radiosurgery

Dabrafenib and Trametinib Followed by Ipilimumab and Nivolumab or Ipilimumab and Nivolumab Followed by Dabrafenib and Trametinib in Treating Patients With Stage III-IV BRAFV600 Melanoma

Targeted Therapy Directed by Genetic Testing in Treating Patients With Advanced Refractory Solid Tumors, Lymphomas, or Multiple Myeloma (The MATCH Screening Trial)

Cisplatin With or Without Veliparib in Treating Patients With Recurrent or Metastatic Triple-Negative and/or BRCA Mutation-Associated Breast Cancer With or Without Brain Metastases

Aspirin in Preventing Recurrence of Cancer in Patients With HER2 Negative Stage II-III Breast Cancer After Chemotherapy, Surgery, and/or Radiation Therapy

Breast Cancer WEight Loss Study (BWEL Study)

Evaluation of Mammographic Breast Density in Participants With Hormone Receptor-Negative Breast Cancer Enrolled on Study A011502

Olanzapine With or Without Fosaprepitant Dimeglumine in Preventing Chemotherapy Induced Nausea and Vomiting in Cancer Patients Receiving Highly Emetogenic Chemotherapy

S0820, Adenoma and Second Primary Prevention Trial

Bortezomib or Carfilzomib With Lenalidomide and Dexamethasone in Treating Patients With Newly Diagnosed Multiple Myeloma

Brentuximab Vedotin and Nivolumab With or Without Ipilimumab in Treating Patients With Relapsed or Refractory Hodgkin Lymphoma

Genetic Testing in Screening Patients With Stage IB-IIIA Non-Small Cell Lung Cancer That Has Been or Will Be Removed by Surgery (The ALCHEMIST Screening Trial)

Erlotinib Hydrochloride in Treating Patients With Stage IB-IIIA Non-small Cell Lung Cancer That Has Been Completely Removed by Surgery (An ALCHEMIST Treatment Trial)

Nivolumab and Ipilimumab in Treating Patients With Rare Tumors

S1207 Hormone Therapy With or Without Everolimus in Treating Patients With Breast Cancer

Fulvestrant and/or Anastrozole in Treating Postmenopausal Patients With Stage II-III Breast Cancer Undergoing Surgery

Pegylated Liposomal Doxorubicin Hydrochloride With Atezolizumab and/or Bevacizumab in Treating Patients With Recurrent Ovarian, Fallopian Tube, or Primary Peritoneal Cancer

Cabozantinib S-malate in Treating Patients With Neuroendocrine Tumors Previously Treated With Everolimus That Are Locally Advanced, Metastatic, or Cannot Be Removed by Surgery

Firstline Pembrolizumab Alone or in Combination With Pemetrexed and Carboplatin in Induction/Maintenance or Postprogression in Treating Patients With Stage IV Non-squamous Non-small Cell Lung Cancer