Breast cancer refers to a type of cancer that develops in the breast cells. Invasive lobular carcinoma and invasive ductal carcinoma are the two most common types of breast cancer. There are various symptoms and signs associated with this type of cancer, such as a newly inverted nipple, a breast lump, pitting or redness of the skin above the breast, changes in the size, appearance or shape of a breast, etc. Some of the major risk factors linked to breast cancer include a family history of breast cancer, obesity, drinking alcohol and radiation exposure. There are different ways to diagnose it, such as through ultrasonography, magnetic resonance imaging (MRI), mammogram and positron emission tomography (PET) scanning. Immunotherapy, radiation therapy, surgery, targeted drug therapy, chemotherapy and hormone therapy are some of the techniques used to treat this disease. This book is compiled in such a manner, that it will provide in-depth knowledge about the diverse treatment strategies for breast cancer. A number of latest researches have been included to keep the readers up-to-date with the various aspects of this medical condition and treatment procedures.