Case Presentation: A 68-year-old male with hypertension and benign prostatic hyperplasia presented with progressive abdominal distension and pain. He denied fever, weight loss, gastrointestinal bleeding, or any history of gastrointestinal diseases. Physical examination revealed a distended, non-tender abdomen with normal bowel sounds.Laboratory tests showed elevated lactate dehydrogenase (LDH) at 750 U/L, hyperuricemia at 9.0 mg/dL, [...]