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Acute hemorrhagic rectal ulcer is a relatively rare cause of lower gastrointestinal bleeding. It most commonly occurs in bedridden elderly patients with multiple comorbidities. While the diagnosis can be confirmed on colonoscopy, achieving hemostasis may be difficult due to the poor visual field resulting from severe bleeding and stool remaining in the rectum, the stiffness of ulcers which may preclude effective clipping, the poor tolerability of patients for the procedure, and high risk of recurrence. Here, we present 4 cases of acute hemorrhagic r