This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Anatomy
True about CA GB and gallstones 
Select and explain. 
A. 3% association, B. 30% association, C. 50% association, D. 90% association
D: 90% association
Answer: D: 90% association 
Explanation: Carcinoma Gallbladder Highest incidence of CA GB in india and Pakistan More common in women of 6th & 7th decade Cholelithiasis is seen in 75-98% of all patients with CA GB Incidence of CA GB in a population of patients with gallstones is from 0.3-3% Ref: Blumga 5th edition Pgno :, 742