Breast cancer occurs when some cells in the breast begin to grow abnormally and build up in a lump or...

DCIS is found when abnormal cells grow in the lining of a breast duct. It is a precancerous condition and...

A breast cancer diagnosis can be devastating for any patient. But there is hope — and treatment — for many....

Breast cancer is a very treatable disease, even in its most aggressive stages. However, it is important to understand what...

Paget's disease breast is a rare form of cancer that affects the skin of the nipple and areola. It is...

Breast cancer is one of the most common types of cancer, but it can be difficult to detect in its...

When you're diagnosed with breast cancer, your doctor will talk to you about how likely you are to survive. This...

The doctor uses tests to find out how large the cancer is and if it has spread to nearby tissues,...

Ductal carcinoma in situ (DCIS) is when cancer cells start in the lining of the breast duct but haven't spread...

Triple negative breast cancer is harder to treat than some other kinds of invasive breast cancer. But researchers are making...