<prompt> All are risk factors for CA GB exceptAdenomyosisABPDJGallstonesAdenomatous polyps  <response>: Adenomyosis has no malignant potential 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 