This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breast, Subject name: Surgery
Hormonal therapy is useful if Cancer breast expresses ... 
Select and explain. 
A. Estrogen receptor, B. Progesterone receptor, C. Selling Her 2 neu, D. VEGF
A: Estrogen receptor
Answer: A: Estrogen receptor 
Explanation: Ans. (a) Estrogen receptor(Ref. Sabiston 20th edition Page 853)* ER positive cases are provided Hormone therapy* HER-2/neu Positive cases are provided Trastuzumab HERCEPTIN (VEGF inhibitor)