The following parasitic infections predispose to malignancies -a) Paragonimus westermaniib) Guinea worm infectionc)  Clonorchiasisd)  Schistosomiasis: (A) ab, (B) cd, (C) bd, (D) ac
Answer is B. The following two parasites have definitive etiological association with malignancies:
• Clonorchis sinensis: cholangiocarcinoma
• Opisthorchis viverrini: cholangiocarcinoma
• Schistosoma haematobium : squamous cell cancer of urinary bladder
• Schistosoma japonicum: colorectal cancer