Weekly localization films and detection of field placement errors.
D000008:Abdominal Neoplasms / Q000532:radiotherapy; D001859:Bone Neoplasms / Q000532:radiotherapy; D001932:Brain Neoplasms / Q000532:radiotherapy; D005260:Female; D006258:Head and Neck Neoplasms / Q000532:radiotherapy; D006801:Humans; D008297:Male; D009369:Neoplasms / Q000000981:diagnostic imaging / Q000532:radiotherapy*; D010386:Pelvic Neoplasms / Q000532:radiotherapy; D011786:Quality Control; D011859:Radiography; D013679:Technology, Radiologic; D013899:Thoracic Neoplasms / Q000532:radiotherapy