Abstract
Over 1.7 million women are diagnosed with breast cancer each year in the world. This type of cancer is divided into three subtypes (PR/ER positive, HER2 positive and triple negative). HER2-positive (25%) breast cancers over-express the ErbB-2 / HER2 human epidermal growth factor receptor 2. This type of cancer is one of the most aggressive with high metastatic potential. However, there ar…