thymoma https://www.malacards.org/card/thymoma THYM ONCOTREE:THYM ICD9:239.89 MONDO:0006456 SCTID:444231005 thymoma (disease) MedDRA:10043670 MESH:D013945 NCIT:C3411 HP:0100522 GARD:0016922 primary thymic epithelial neoplasm UMLS:C0040100 primary thymic epithelial tumor A neoplasm arising from the epithelial cells of the thymus. Although thymomas are usually encapsulated tumors, they may invade the capsule and infiltrate the surrounding tissues or even metastasize to distant anatomic sites. The following morphologic subtypes are currently recognized: type A, type B, type AB, metaplastic, micronodular, microscopic, and sclerosing thymoma. Thymomas type B are further subdivided into types B1, B2, and B3. Thymoma type B3 usually has the most aggressive clinical course. MEDGEN:52743 icd11.foundation:33869057 Orphanet:99867 primary thymic epithelial tumour thymoma DOID:3275 EFO:1000581 ICDO:8580/1 thymoma (disease) thymic epithelial neoplasm