<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 58-year-old man comes to the clinic complaining of increased urinary frequency for the past 3 days. The patient reports that he has had to get up every few hours in the night to go to the bathroom, and says whenever I feel the urge I have to go right away. Past medical history is significant for a chlamydial infection in his twenties that was adequately treated. He endorses lower back pain and subjective warmth for the past 2 days. A rectal examination reveals a slightly enlarged prostate that is tender to palpation. What is the most likely explanation for this patients symptoms?? A: Benign prostatic hyperplasia, B: Chemical irritation of the prostate, C: Infection with Escherichia coli, D: Prostatic adenocarcinoma, E: Reinfection with Chlamydia trachomatis,  <response>: This is a clinical case question involving a 58-year-old man with urinary symptoms. The key findings in the history are increased urinary frequency, nocturia, urgency, lower back pain, subjective warmth, and history of chlamydial infection. The rectal exam reveals an enlarged, tender prostate. The differential diagnosis includes benign prostatic hyperplasia, prostatitis, urinary tract infection, and prostate cancer. However, the acute onset of symptoms, back pain, warmth, and tender prostate point towards an infectious or inflammatory process rather than a chronic process like BPH or cancer. The history of prior chlamydial infection raises suspicion for a reinfection, but E. coli is the most common cause of urinary tract infections.C: Infection with Escherichia coli 