What are the 4 classic physical findings associated with metastatic gastric cancer?
a) Sister Mary Joseph nodule, Virchow's node, Krukenberg tumor, Blumer's shelf
b) Cullen's sign, Grey Turner's sign, McBurney's point tenderness, Murphy's sign
c) Murphy's sign, Blumberg's sign, Rovsing's sign, McBurney's point tenderness
d) Kehr's sign, Rovsing's sign, Murphy's sign, Grey Turner's sign