Abdominal Pain in 43-Year-Old Patient

Poll

A 43-year-old man presents with abdominal pain and diarrhea, and a gastric biopsy is obtained. What is your diagnosis?

A 43-year-old man presents with abdominal pain and diarrhea, and a gastric biopsy is obtained.

Based on the image shown, what is your diagnosis?

A. Adenocarcinoma
B. Lymphoma
C. Cytomegalovirus gastritis
D. Melanoma