Veliparib, Pembrolizumab, and Combination Chemotherapy in Treating Patient With Locally Advanced Rectal Cancer

MRI and Mammography Before Surgery in Patients With Stage I-II Breast Cancer

Comparison of Axillary Lymph Node Dissection With Axillary Radiation for Patients With Node-Positive Breast Cancer Treated With Chemotherapy

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)

Digital Tomosynthesis Mammography and Digital Mammography in Screening Patients for Breast Cancer