We present a patient with large fibrovascular polyp of the sigmoid; an extremely rare submucosal tumor with only one case report in the literature. A 78-year-old woman presented with constipation and abdominal pain and intermittent maroon stool. Colonoscopic examination and other imaging revealed a large (6 centimeter), intralu-minal pedunculated polyp in the sigmoid that was removed as segmental colectomy. Histological diagnosis of the surgical specimen was fibrovascular polyp. Fibrovascular

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... lyp of the colon is an extremely rare submucosal intraluminal tumor that can cause constipation, abdominal pain, obstruction, and or bleeding.