This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
[{'content': 'Sister Mary Joseph nodule is most commonly seen with \nSelect and explain. \nA. Ovarian cancer, B. Stomach cancer, C. Colon cancer, D. Pancreatic cancer', 'role': 'user'}, {'content': "Answer: B \nExplanation: Carcinoma of stomach may spread the abdominal cavity to the umbilicus ( Sister Joseph's nodule) Bailey & Love,26th,1050.", 'role': 'assistant'}]