Introduction: Why breast cancer happens. A breast tumor is an ailment in which cells in the chest grow out of control. There are dissimilar types of breast cancer. The type of breast cancer is contingent on which cells in the breast turn into a tumor. Breast tumors can start in different parts of the breast.
Breast cancer can blow out outside the breast over blood vessels and lymph vessels. Once breast cancer spreads to other body parts, it is thought to have metastasized. Breast tumors can twitch from different parts of the breast. The breast is a body part that sits on the topmost of the top ribs and chest muscles.
