<unk>  is an infectious disease caused by the Chinese liver fluke (Clonorchis sinensis) and two related species.<unk>  is a known risk factor for the development of cholangiocarcinoma, a neoplasm of the biliary system. Symptoms of opisthorchiasis caused by Opisthorchis viverrini and by O. felineus are indistinguishable from<unk>  caused by Clonorchis sinensis, leading some to argue that the disease by these three parasites should be referred to collectively as<unk> .
Clonorchiasis
Opisthorchiasis
Taeniasis
Monorchism
Trichuriasis
Trichiasis
Trichomoniasis
Naegleriasis