title: Localization of abdominal masses using ultrasound for radiation therapy.
mesh_terms: D000008:Abdominal Neoplasms / Q000175:diagnosis* / Q000532:radiotherapy; D006801:Humans; D008297:Male; D010190:Pancreatic Neoplasms / Q000532:radiotherapy; D011471:Prostatic Neoplasms / Q000532:radiotherapy; D014463:Ultrasonography