disease has location immune system cancer small intestine lymphoma small intestinal diffuse large B-cell lymphoma MEDGEN:474155 NCIT:C96055 MONDO:0006417 small intestinal diffuse large B-cell lymphoma A diffuse large B-cell lymphoma that arises from the small intestine. small intestine diffuse large B-cell lymphoma GARD:0024405 EFO:1000534 icd11.foundation:1578565768 UMLS:C3272522 diffuse large B-cell lymphoma of small intestine diffuse large B-cell lymphoma small intestine