<prompt> True about CA GBMost commonly presents with obstructive jaundice90 associated with gallstones5-year survival is 3530 are squamous cell carcinoma  <response>: Option A: most commonly presents with right upper quadrant pain often mimicking cholecystitis and cholelithiasis not jaundice it is less common presenting symptom OptionB: Cholelithiasis is seen in 75-98 of all patients with CA GB Option C: 5 year survival is 25 Option D: No squamous type histological pattern Ref: Sabiston 20th edition Pgno :1512-1514 