Oliver's operation
*Oliver surgery* is a surgical procedure that is used to treat some forms of breast cancer. It was named after the English physician William Oliver *W.* S. *Oliver*, who developed this method in the early 20th century.
**What is breast cancer?** Breast cancer is one of the most common types of cancer among women. It arises from cells that are found in the mammary gland. Cancer may be found in one or both breasts.
Breast cancer in 40-50% of cases is localized directly in the gland, that is, the cancer is in the tissues of the breast itself, or it spreads to the tissues around the gland. This is what is called the main cancer. And all other cases are the early stages of progression of the main cancer, that is, the process of metastasis - the spread of the tumor throughout the body through the blood or lymph flow. Most often metastatic