This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'Sister Mary Joseph nodule is most commonly seen with: March 2011 \nSelect and explain. \nA. Ovarian cancer, B. Stomach cancer, C. Colon cancer, D. Pancreatic cancer', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. B: Stomach cancer Gastric tumour may spread the abdominal cavity to the umbilicus (Sister Joseph's nodule) Sister May Joseph's nodule: Periumbilical nodule/ hard mass Represents metastatin involvement of the paraumbilical nodes from intrapelvic or intraabdominal malignancies Seen with: - Stomach - Large bowel - Ovary - Pancreatic tumour Indicates poor prognosis", 'role': 'assistant'}]