Breast Cancer, Chemotherapy and Treatments

Breast cancer, the first most common malignant tumor in women worldwide. Many etiological factors such as a wide spectrum of clinical manifestations caused by family clustering, hormonal factors, physiology changed, environmental inducers, and life styles. Although there are many FDA-approval drugs for breast cancers. Tumors are heterogenous and individual has inherited different genetic background. Thus, it is hard to find an effective treatment and it may recurrent after recovery from first treatment.