Nivolumab in Treating Patients With Localized Kidney Cancer Undergoing Nephrectomy

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

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

Pembrolizumab in Treating Patients With Locally Advanced Bladder Cancer