This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Parasitology, Subject name: Microbiology
[{'content': 'Which among the following is associated with malignancy? \nSelect and explain. \nA. Echinococcus granulosus, B. Schisostoma hematobium, C. Paragonimus westermani, D. Giardia lamblia', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans: b) Schisostoma hematobiumSchisostoma hematobium has now been classified as a human carcinogen.S.hematobium is strongly associated with squamous cell carcinoma, urinary bladder.'Sandy patches' in cystoscopy is also a marked feature of s.hematobium. Paragonimus westermani is oriental lung fluke, having operculated eggs. Cerebral type paragonimiasis produce jacksonian epilepsy.", 'role': 'assistant'}]