From: healthline.com Fibrocystic breast disease can cause the breasts to feel lumpy. While it isn’t associated with an increased breast cancer risk, it may make it more difficult to identify lumps due to breast cancer. What is fibrocystic breast disease? Fibrocystic breast disease, commonly called fibrocystic breasts or fibrocystic change, is a benign (noncancerous) condition in which the breasts feel …
