A 48 Year Old Japanese Man Who Had Recently Immigrated

Multiple Choice

A 48 year old Japanese man who had recently immigrated to the United States was seen by his local physician for fatigue,weight loss,and "feeling full all the time".Endoscopy revealed a polypoid tumour mass with "heaped up" edges.A biopsy was performed,and a representative section is shown in the accompanying photomicrograph.Which one of the following is the best diagnosis?

A) Gastric adenocarcinoma
B) Giardia lamblia
C) Helicobacter pylori gastritis
D) Peptic ulcer
E) Signet ring carcinoma