disease arises from feature disease has basis in feature neoplasm neoplastic disease or syndrome secondary neoplasm UMLS:C5848363 MEDGEN:1851572 A neoplasm that arises from a pre-existing lower grade lesion, or as a result of a primary lesion that has spread to secondary sites, or due to a complication of a cancer treatment. secondary neoplasm secondary tumor NCIT:C36255 Note that we currently treat secondary neoplasms as being neoplastic diseases that are derived from neoplasm; classes such as 'neoplasm', 'carcinoma' are implicitly primary. This may change in future. MONDO:0024882 secondary tumour