Smoking is a risk factor for all cancer except:: (A) Esophagus, (B) Urinary bladder, (C) Pancreas, (D) Gallbladder
Answer is D. Smoking is not the risk factor for carcinoma gallbladder. Smoking is the risk factor for all gastrointestinal tract malignancies and hepatobiliary pancreatic tract malignancies except carcinoma gallbladder.