Gallbladder adenocarcinoma involving lamina propria and muscular layer. What is the preferred treatment: (A) Simple cholecystectomy, (B) Radical cholecystectomy, (C) Chemotherapy, (D) Radiotherapy
Answer is B. Radical cholecystectomy -removing gallbladder+liver segments 4b and 5+lymph nodes along hepatoduodenal ligament.