carcinoma thymus cancer thymic carcinoma SNOMEDCT_US_2020_03_01:128717008 NCI:C7569 disease_ontology A thymus cancer that derives_from epithelial cells. The tumor cells in a thymic carcinoma look very different from the normal cells of the thymus, grow more quickly, and have usually spread to other parts of the body when the cancer is found. DOID:3284 MESH:D013945 Thymic carcinoma Thymoma, malignant UMLS_CUI:C0205969 malignant Thymoma