Nivolumab After Combined Modality Therapy in Treating Patients With High Risk Stage II-IIIB Anal Cancer
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
Eastern Cooperative Oncology Group
National Institutes of Health Clinical Center (CC)
University of Nebraska
Novartis
Brigham and Women's Hospital
National Institutes of Health Clinical Center (CC)