{"groups":[{"description":"Patients undergo FBCT once before treatment and once weekly for a total of 6-7 scans, dual CBCT up to 5 times weekly for a total of 33-35 scans, 2-D x-ray with Varian kV OBI 5 times weekly for a total of 33-35 scans, 2-D x-ray with Brain Lab ExacTrac 5 times weekly for a total of 33-35 scans, 2-D x-ray with Varian MV OBI once weekly for a total of 6-7 scans, and EPID imaging up to 5 times weekly for a total of 33-35 scans while undergoing IGART.\n\ncomputed tomography: Undergo FBCT cone-beam computed tomography: Undergo dual CBCT radiography: Undergo 2-D x-ray with Varian kV OBI radiography: Undergo 2-D x-ray with Brain Lab ExacTrac radiography: Undergo 2-D x-ray with Varian MV OBI electronic portal imaging: Undergo EPID imaging image-guided adaptive radiation therapy: Undergo IGART","id":"FG000","title":"Diagnostic (Imaging Technology)"}],"periods":[{"dropWithdraws":[{"reasons":[{"groupId":"FG000","numSubjects":"2"}],"type":"Lack of Efficacy"},{"reasons":[{"groupId":"FG000","numSubjects":"4"}],"type":"Withdrawal by Subject"}],"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"16"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"10"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"6"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}]}