This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Renal carcinoma, Subject name: Pathology
Schistosoma haematobium is most commonly associated with which of the following bladder cancers? 
Select and explain. 
A. Squamous cell carcinoma, B. Adenocarcinoma, C. Small cell carcinoma, D. Transitional cell carcinoma
A: Squamous cell carcinoma
Answer: A: Squamous cell carcinoma 
Explanation: Squamous cell carcinoma bladder Schistosoma haematobium infections in endemic areas are an established risk for bladder cancer. 70% of cancers with history of S. haematobium infection are squamous cell carcinoma.