This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Surgery
[{'content': 'Gail model of risk assessment is used for \nSelect and explain. \nA. CA stomach, B. CA esophagus, C. CA breast, D. CA prostate', 'role': 'user'}, {'content': "Answer: C \nExplanation: Gail risk assessment model is used for CA breast. It includes (modified): \x02 *Age, age at menarche, age at 1st live child bih, race. \x02 *Number of 1st degree female relatives having breast cancer. \x02 *Number of previous breast biopsies. *\x02 Proliferative lesion with atypia. These risk factors are translated into risk scores by specified calculations. But model does not include genetic factor. Reference : page 530 SRB's manual of surgery 5th edition", 'role': 'assistant'}]