has material basis in germline mutation in PIK3CA keratosis seborrheic keratosis https://github.com/monarch-initiative/mondo/issues/4521 https://www.malacards.org/card/keratosis_seborrheic ICD10CM:L82 basal cell papilloma UMLS:C0022603 EFO:0005584 NCIT:C9006 A common benign skin neoplasm usually affecting older individuals. The lesions usually are multiple and arise in the face, chest, and shoulders. They appear as black or brown, slightly elevated skin lesions. keratosis, seborrheic, somatic MONDO:0008420 SCTID:398838000 keratosis Seborrheica MEDGEN:5957 DOID:6498 ICD9:702.1 OMIM:182000 Wikipedia:Seborrheic_keratosis MESH:D017492 hereditary skin disorder