Precancerous lesions of GB are all except
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
Procelain GB
Typhoid carrier
ABPDJ
Biliary ascariasis
G.I.T