<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 67-year-old man presents to his primary care provider with bloody urine. He first noticed the blood 1 week ago. He otherwise feels healthy. His past medical history is significant for type 2 diabetes mellitus for 18 years, for which he takes insulin injections. He has smoked 3040 cigarettes per day for the past 29 years and drinks alcohol socially. Today his vital signs include: temperature 36.6C 97.8F, blood pressure 13582 mm Hg, and heart rate 105min. There are no findings on physical examination. Urinalysis shows 1520 red cellshigh power field. Which of the following is the next best test to evaluate this patients condition?? A: Urine cytology, B: Contrast-enhanced CT, C: Prostate-specific antigen, D: Biopsy, E: Urinary markers,  <response>: This is a clinical vignette about a 67-year-old man with hematuria bloody urine. The key findings are:- 67-year-old male - Hematuria for 1 week- Feels otherwise healthy- Past medical history: Type 2 diabetes mellitus for 18 years, on insulin. Smokes 30-40 cigarettes per day for 29 years. Social alcohol use.- Vital signs normal except for tachycardia - Physical exam unremarkable- Urinalysis shows 15-20 RBCHPFThe question is asking for the next best diagnostic test to evaluate the cause of hematuria in this patient. The main differential diagnosis includes urinary tract infection, urologic malignancy bladder or prostate cancer, nephrolithiasis, and glomerular disease. Urine cytology can detect malignant cells from bladder cancer. CT urography provides imaging of the entire urinary tract and can detect stones, tumors or other structural abnormalities. Prostate specific antigen PSA screens for prostate cancer. Biopsy can provide a definitive diagnosis but is invasive. Urinary markers can help distinguish between glomerular and non-glomerular causes.B: Contrast-enhanced CT 