A cyst in the breast may feel like a lump, but upon examination the lump is a small, generally harmless sac filled with fluid rather than a cancerous or benign lump of cells. You may have one cyst or many cysts that appear together. Sep 20, 2017 · Many breast lumps turn out to be caused by fibrosis and/or cysts, which are non-cancerous (benign) changes in breast tissue that happen in many women at some time in their lives. These changes are sometimes called fibrocystic changes, and used to be called fibrocystic disease. Fibrosis and/or Last Revised: September 20, 2017.
Does a breast cyst increase my risk of breast cancer? You may feel anxious about having a breast cyst or cysts. Even though you may be relieved that it’s a benign condition, you may still worry about breast cancer. Having a breast cyst or cysts does not increase your risk of developing breast .