Testing Longer Duration Radiation Therapy Versus the Usual Radiation Therapy in Patients With Cancer That Has Spread to the Brain
NRG Oncology
NRG Oncology
Brigham and Women's Hospital
Emory University
City of Hope Medical Center
ETOP IBCSG Partners Foundation
NRG Oncology
National Cancer Institute (NCI)
Dana-Farber Cancer Institute
Centre hospitalier de l'Université de Montréal (CHUM)
University Hospital, Ghent
Yale University
Yale University
Memorial Sloan Kettering Cancer Center