Surgery A 65 year old male smoker presents with gross total painless hematuria. Which of the following is the most likely diagnosis? A Cystolithiasis B Carcinoma prostate C Carcinoma of urinary bladder D Benign prostatic hyperplasia 💡 Explanation A 65 year old male smoker presents with gross total painless hematuria. Which of the following is the most likely diagnosis? ✓ Correct Answer: C. Carcinoma of urinary bladder