Using APA format, sources, references, & original work.
A 45-year-old grocery sales clerk has been suffering from bouts of severe pain in his left flank region. He blamed it on prolonged standing for 8 hours straight while working. He was taking over-the-counter pain medications for his pain. One day, he found fresh blood in his urine. He went to a doctor who performed urine tests, CT scans, and x-rays. He was diagnosed with urinary calculi.