<prompt> Cholangiocarcinoma is caused by -Giardia lambliaClonorchis infestationParagonimus infestationAscaris infestation  <response>: Ans. is b i.e., Clonorchis infestation Parasites associated with malignancyo Clonorchis sinensis-Liver, bile duct cholangiocarcinoma and Pancreas adenocarcinomao Opisthorchis viverrini-Bile duct chalangio carcinomao Schistosoma haematobium-Urinary bladder squamous cell Cao Fasciola hepatica-Cholangiocarcinoma 