<prompt> Organism associated with fish consumption that also cause carcinoma gallbladder:Clonorchis sinensisGnathostomaStrongyloides cantonensisH. dimunata  <response>: Ans. a. Clonorchis sinensis Ref: Harrison 19e p1428, 18e p2008, 17e p1330; http sinensisClonorchis sinensis is a liver fluke, acquired by ingestion of raw or inadequately cooked freshwater fishes.In human body, it lives within bile ducts and causes inflammatory reaction leading to cholangiohepatitis and biliary obstructionQ.It is a well known risk factor for cholangiocarcinoma.It is a rare, but mentioned risk factor for carcinoma gall bladderQ. 