The patient underwent a total gastrectomy with Roux-en-Y reconstruction, splenectomy, and distal pancreatectomy.

	The specimen is shown here with ulceration of a gastric wall mass.
	The cut surface showing the large mass in the wall of the stomach extending into the pancreas and spleen.
	The tumor was firm, tan-white and lobulated with cystic and necrotic regions.

1. What is your differential diagnosis of this gastric neoplasm?

2. Which tumors are associated with H. pylori?