A 56-year-old man comes to the physician for a 3-month history of blood in the urine and fatigue. He has hypertension managed with hydrochlorothiazide and diabetes mellitus type II managed with metformin and glyburide. He does not smoke or drink alcohol. Which of the following is the most likely explanation for this patient’s findings?
Cadmium
2-naphthylamine
Nitrosamines
Radon
Schistosoma haematobium