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

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

Pembrolizumab Compared to Standard of Care Observation in Treating Patients With Completely Resected Stage I-III Merkel Cell Cancer

Breast Cancer WEight Loss Study (BWEL Study)

Work Ability in Young Adult Cancer Survivors

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

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

Palbociclib and Letrozole or Fulvestrant in Treating Patients With Estrogen Receptor Positive, HER2 Negative Metastatic Breast Cancer

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

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

Rucaparib in Treating Patients With Genomic LOH High and/or Deleterious BRCA1/2 Mutation Stage IV or Recurrent Non-small Cell Lung Cancer (A Lung-MAP Treatment Trial)

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)

Nivolumab and Ipilimumab in Treating Patients With Rare Tumors

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

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

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

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

Pembrolizumab in Treating Patients With Locally Advanced Bladder Cancer

Gemcitabine Hydrochloride and Cisplatin in Treating Participants With Invasive Bladder Urothelial Cancer

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