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
Gail model of risk assessment is used for 
Select and explain. 
A. CA stomach, B. CA esophagus, C. CA breast, D. CA prostate
C: CA breast
Answer: C: CA breast 
Explanation: Gail risk assessment model is used for CA breast. It includes (modified):  *Age, age at menarche, age at 1st live child bih, race.  *Number of 1st degree female relatives having breast cancer.  *Number of previous breast biopsies. * 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