The median (range) number of FOXP3+ infiltrating cells was higher (27 (1–110) cells/mm2) in gastric MALT patients than in DLBCL (10 (1–22); p = 0.162) but similar to chronic gastritis (20 (1–133); p = 0.605). The gene discussed is FOXP3; the disease is diffuse large B-cell lymphoma.