<prompt> All of the following are risk factors for carcinoma Gallbladder exceptTyphoid carriersAdenomatous gallbladder polypsCholedochal cystOral contraceptives  <response>: There is no association with OCPs Risk factors for Carcinoma Gallbladder Gallstones 3cm Procelain gallbladder Anomalous pancreaticobiliary junction APBDJ Choledochal cysts Adenomatous polyps Primary sclerosing cholangitis Obesity Salmonella typhi infection Ref: Sabiston 20th edition Pgno :1510 