lipoma A benign, usually painless, well-circumscribed lipomatous tumor composed of adipose tissue. COHD:440358 DOID:3315 EFO:0000759 ICD10:D17 ICD10:D17.9 ICD9:214 ICD9:214.9 ICDO:8850/0 MESH:D008067 MONDO:0005106 NCIT:C3192 SCTID:93163002 UMLS:C0023798 benign lipomatous tumor benign tumor of adipose tissue lipoma lipoma, benign lipomatosis, familial multiple lipomatous neoplasm lipomatous neoplasm (morphologic abnormality) lipomatous tumor multiple lipomatosis tumor of adipose tissue benign lipomatous neoplasm