has characteristic has characteristic Juvenile onset juvenile breast papillomatosis https://github.com/monarch-initiative/mondo/issues/6930 https://www.malacards.org/card/breast_juvenile_papillomatosis UMLS:C1334303 juvenile papillomatosis of breast juvenile breast papillomatosis MONDO:0003955 DOID:6641 A benign, usually solitary, well circumscribed multicystic neoplasm that arises from the breast and typically affects young females. The cysts are lined by papillary proliferations that contain epithelial and myoepithelial layers. In a minority of cases, atypia may be present. SCTID:708518001 NCIT:C9503 juvenile papillomatosis of the breast MEDGEN:233588 Swiss cheese disease intraductal breast papillomatosis