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

Lung-MAP: Biomarker-Targeted Second-Line Therapy in Treating Patients With Recurrent Stage IV Squamous Cell Lung Cancer

Breast Cancer WEight Loss Study (BWEL Study)

Lung-MAP: Nivolumab With or Without Ipilimumab as Second-Line Therapy in Treating Patients With Recurrent Stage IV Squamous Cell Lung Cancer and No Matching Biomarkers

Lung-MAP: Talazoparib in Treating Patients With HRRD Positive Recurrent Stage IV Squamous Cell Lung Cancer

S0820, Adenoma and Second Primary Prevention 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

Durvalumab and Tremelimumab in Treating Patients With Recurrent Stage IV Lung Cancer

A Breast Cancer Information Registry for Participants With Breast Cancer or Characteristics of Hereditary Breast Cancer

Integrated Cancer Repository for Cancer Research

Natural History of Brain Function, Quality of Life, and Seizure Control in Patients With Brain Tumor Who Have Undergone Surgery