title: Radiotherapy.
authors: G L
authors: GL
authors: Sannazzari
authors: E
authors: E
authors: Vasario
authors: F
authors: F
authors: Ozzello
authors: A
authors: A
authors: Rossi
mesh_terms: D001661:Biliary Tract Neoplasms / Q000188:drug therapy / Q000532:radiotherapy* / Q000601:surgery; D003131:Combined Modality Therapy; D005706:Gallbladder Neoplasms / Q000628:therapy; D006801:Humans; D010166:Palliative Care