Pembrolizumab and Palliative Radiation Therapy in Treating Patients With Metastatic Esophagus, Stomach, or Gastroesophageal Junction Cancer
Conditions
- Gastric Adenocarcinoma
- Gastric Squamous Cell Carcinoma
- Gastroesophageal Junction Adenocarcinoma
- Metastatic Malignant Neoplasm in the Stomach
- Stage IV Esophageal Adenocarcinoma AJCC v7
- Stage IV Esophageal Squamous Cell Carcinoma AJCC v7
Interventions
- RADIATION: External Beam Radiation Therapy
- OTHER: Laboratory Biomarker Analysis
- BIOLOGICAL: Pembrolizumab
Sponsor
City of Hope Medical Center
Collaborators