This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urinary tract, Subject name: Anatomy
[{'content': 'Transitional cell carcinoma bladder is associated with which of the following \nSelect and explain. \nA. Schistosomiasis, B. Ascarasis, C. Malaria, D. Any of d above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Schistosoma haemotabium infections in endemic areas like Egypt and Sudan are an established risk. The ova are deposited in the bladder wall and invite a brisk chronic inflammatory response that induces progressive mucosal squamous metaplasia and dysplasia and in some instances neoplasia refer Robbins 9/e p965', 'role': 'assistant'}]