A 56-year-old man presented with a long history of heartburn and abdominal pain. A stool guaiac test was positive. Serological test demonstrated positive result for Helicobacter pylori. The patient received antibiotics for the treatment of chronic gastritis without obvious improvement. A gastric biopsy was performed (Figs. 38.1, 38.2, 38.3, 38.4, 38.5, and 38.6).


Mantle Cell Lymphoma Chronic Gastritis Mucosal Associate Lymphoid Tissue Gastric Biopsy Gastric Lymphoma 
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