Breast Cancer Cancer is not just one disease but rather a group of diseases. All forms of cancer cause cells in the body to change and grow out of control. Most types of cancer cells form a lump or mass called a tumor. Cells from the tumor can break away and travel to other parts of the body. There they can continue to grow. This spreading process is called metastasis. When cancer spreads, it is …showed first 75 words of 1047 total…

…showed last 75 words of 1047 total…to follow the guidelines for finding breast cancer early. A mammogram and a breast exam by a doctor or nurse (clinical breast examination) every year for women over the age of 40. Between the ages of 20 and 39, women should have a clinical breast exam every 3 years. All women over 20 should do breast self- examination (BSE) every month. Together, these methods offer the best chance of finding breast cancer early. Each is covered in more detail below.