<prompt> All the following parasites cause malignancy exceptSchistosoma haematobiumClonorchis sinensisOpisthrochis viverriniOnchocerca volvulus  <response>: S. haematobium - SCC of urinary bladderC. Sinensis - Cholangiocarcinoma of liver, bileduct.O. Viverrini - Cholangiocarcinoma of bileduct. 