An Unusual Presentation of Diverticulitis

The patient is an 85-year-old male with a past medical history of hypertension, hyperlipidemia, benign prostatic hypertrophy, hemorrhoids (external and internal), chronic anal fissure, and diverticulosis who presents to the clinic with a two week history of constant abdominal pain in his left lower quadrant along with intermittent bright red blood per rectum. He reports a rectal bleeding frequency of approximately 2-3 times a week. The abdominal pain is described to be dull and achy, not relieved by bowel movements, and not associated with movement or eating.