has characteristic has characteristic hereditary disease melanoma obsolete inherited skin tumor familial melanoma GARD:0003460 Familial melanoma (FM) is a rare inherited form of melanoma characterized by development of histologically confirmed melanoma in two first degrees relatives or more relatives in an affected family. DOID:6846 Orphanet:618 hereditary melanoma (disease) MEDGEN:268851 NCIT:C8498 MONDO:0018961 UMLS:C1512419 obsolete rare skin tumor or hamartoma obsolete pigmented palpebral tumor inherited