Extranodular lymphomacanbe found in almostallorgan. One third of the cases found in gastrointestinal(GI) tract, whichisthemost commonformofextranodular lymphoma.All thesubtypesof lymphomamayoccurasprimarylesionalongingastrointestinaltract,butthemostcommonformis B-celldiffuse largecelllymphoma.DiseasesthatlinkedwithGItractlymphomaareinflammatorybowel disease, celiac disease,Helicobacter pylori, virus infection,collagen diseaseandionicradiation.This reportdescribed a40yearsoldmanwith recurrentbloodystoolandcolon lymphomawasblamedas the sourceofbleeding withitsmanagementoflymphoma. Keywords:lymphoma, gastrointestinaltract,extranodular
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