Simple mastectomy is the removal of the breast only.
Modified mastectomy is the removal of the breast and part of the muscles.
The breast tissue is removed with the lymph nodes and muscles if necessary. Second opinions are recommended before a radical mastectomy is performed. The information provided herein should not be used for diagnosis or treatment of any medical condition. It is provided for your general information and is not a substitute for medical care or supervised medical treatment. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions.