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Figure 6. Diffuse large B-cell lymphoma of the stomach in a 59-year-old man with gastric outlet obstruction. Contrast-enhanced CT scan shows thickening of the antral wall with a nodular inner margin and a relatively smooth outer margin (arrowheads), along with distention of the stomach. There is mild stranding in the perigastric fat, with a few locoregional lymph nodes (arrow) and splenomegaly (S). It is uncommon for gastric lymphoma to manifest as gastric outlet obstruction.
