Molecular classification of breast cancer is based on which of the following
Refer Robbins page no 1061 Invasive carcinoma can be divided based on molecular and morpholog characteristic into several clinically impoant subgroups. Breast carcinoma have a wide variety of morphological apperance.One third can be classified morphologically into special histologic types some of which are strongly assosciated with clinically relevant biologic characteristic
Gene expression profiling
Expression of hormone receptors like ER, PR and HER-2 neu
Histology
Response to chemotherapy
Breast