This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Stomach, Subject name: Pathology
Sister Mary Joseph nodule is most commonly seen in which of the following malignancies? 
Select and explain. 
A. Ovarian cancer, B. Stomach cancer, C. Colon cancer, D. Pancreatic cancer
B: Stomach cancer
Answer: B: Stomach cancer 
Explanation: Sites for spread of gastric cancer most commonly involve the following: Supraclavicular sentinel lymph node Virchow node Periumbilical lymph nodes Sister Mary Joseph nodule Left axillary lymph node Irish node The pouch of Douglas Blumer shelf Ovary Krukenberg tumor