Non-Proliferative Fibrocystic Change of the Breast, also known as breast fibrocystic change, non-proliferative type, is related to fibrosclerosis of breast and apocrine adenosis of breast. An important gene associated with Non-Proliferative Fibrocystic Change of the Breast is TBC1D9 (TBC1 Domain Family Member 9), and among its related pathways/superpathways is Pancreatic cancer subtypes. Affiliated tissues include breast.