system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Transitional cell carcinoma bladder caused by-
assistant
The correct answer is  Ans. is 'a' i.e., Schistosomiasis Risk factors for transitional ceil carcinoma (TCC) of bladder -Smoking - Major etiological factor.Occupational exposure to chemicals - Nephthylamine benzidine, aniline dyes, acrolein.Schistosoma haematobium (Bilharziasis) - It is a risk factor for both TCC & SCC.Drugs - PhenacetinCyclophosphamide therapyPelvic irradiations