breast benign neoplasm breast disorder breast fibrocystic disease https://github.com/monarch-initiative/mondo/issues/9097 EFO:0003014 fibrocystic disease of the breast MEDGEN:42015 fibrocystic mastopathy ICD9:610.1 DOID:10354 Some sources classify this as neoplastic but we follow NCIT and classify as non-neoplastic fibrocystic change of the breast diffuse cystic mastopathy MONDO:0005219 fibrocystic breast benign breast disease fibrocystic breast disease cystic disease of the breast Fibrosis associated with cyst formation in the breast parenchyma. ICD10CM:N60.1 fibrocystic change of breast fibrocystic disease of breast fibrocystic disease UMLS:C0016034 mammary dysplasia fibrocystic breast changes breast fibrocystic change NCIT:C3039 MESH:D005348 cystic disease of breast