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
ER Positive cases of cancer breast - drug given is 
Select and explain. 
A. Bevacizumab, B. Tamoxifen, C. Cyclophosphamide, D. Adalimumab
B: Tamoxifen
Answer: B: Tamoxifen 
Explanation: Ans. (b) Tamoxifen(Ref. Sabiston 20th edition 853)* Tamoxifen - ER+ ve Tumors in Premenopausal and Postmenopausal* Aromatose Inhibitors - ER +ve in Postmenopausal women only