Benign breast conditions: Sclerosing adenosis - What causes breast tumors to harden
- Views: 435 218
Learn all about breast cancer from Cleveland Clinic. In the US, breast cancer is the second-leading cause of cancer death in women after . from any other area on either breast; A marble-like hardened area under the skin. Hardened lumps in your breast tissue may also accompany breast swelling. While this isn't always a cause for concern, it can be a sign of breast cancer.