<prompt> Regarding carcinoma Gallbladder true statementSquamous cell carcinoma is the most commonPresent with jaundiceGood prognosis65 survival after surgery  <response>: Clinical features Most commonly presents with right upper quadrant pain often mimicking cholecystitis and cholelithiasis Weight loss, jaundice and abdominal pain are less common presenting symptoms Chronic cholecystitis with a recent change in quality or frequency of the painful episodes in 40 patients Malignant biliary obstruction with jaundice, weight loss and RUQ pain Ref: Sabiston 20th edition Pgno : 1512-1514 