This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Stomach & Duodenum, Subject name: Surgery
[{'content': 'Kally, a 60 years old male diagnosed to have carcinoma stomach. CT scan of abdomen showed a mass measuring 4x4 cm in the antrum with involvement of celiac nodes and right gastric nodes. Management of choice \nSelect and explain. \nA. Total gastrectomy, B. Subtotal gastrectomy, C. Palliative, D. Chemotherapy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Treatment- Depends on the location of malignancy * Proximal 1/3rdExtended gastrectomy + D2 Lymphadenectomy* Middle 1/3rdTotal gastrectomy + D2 Lymphadenectomy* Distal 1/3rdSubtotal gastrectomy + D2 Lymphadenectomy This treatment is same for both Intestinal & Diffuse variety of CA Stomach- Exception - Diffuse variety involving distal 1/3rd malignancy | Total gastrectomy + D2 Lymphadenectomy. - Indication of distal Pancreatectomy* Involvement of body / tail of pancreas by the tumor -Indications of Splenectomy* Direct involvement of spleen by CA Stomach* CA Stomach in the proximal pa along posterior wall or greater curvature.', 'role': 'assistant'}]