title: Response to letter: colonic apple-core lesion resulting from cyberknife treatment of unresectable pancreatic cancer.
authors.forename: Mark J
authors.initials: MJ
authors.lastname: Brenner
authors.forename: James
authors.initials: J
authors.lastname: Schwade
mesh_terms: D003106:Colon / Q000473:pathology / Q000528:radiation effects*; D006801:Humans; D010190:Pancreatic Neoplasms / Q000601:surgery*; D011183:Postoperative Complications; D016634:Radiosurgery / Q000009:adverse effects* / Q000295:instrumentation*