disease has basis in dysfunction of mast cell mast cell neoplasm https://www.malacards.org/card/mast_cell_neoplasm Mast cell proliferative disease mast cell tumour neoplasm of Mast cells tumor of the Mast cells tumour of the Mast cells UMLS:C0334664 MEDGEN:83178 A heterogeneous group of disorders characterized by the abnormal growth and accumulation of mast cells in one or more organ systems. Recent data suggest that most variants of mast cell neoplasms are clonal disorders. (WHO, 2001) GARD:0023222 EFO:0009000 neoplasm of the Mast cells Mast cell tumor mast cell neoplasm tumour of Mast cells tumor of Mast cells SCTID:414653009 Mast cell tumour ICD9:238.79 mast cell tumor DOID:3664 MONDO:0002724 NCIT:C9295 neoplasm myeloid neoplasm