Severe rectal bleeding caused by a small polypoid lobular capillary hemangioma

A 52-year-old man without comorbidities was admitted to our gastroenterology department after he collapsed while on the toilet and noticed passage of bright red blood per rectum. On clinical examination he appeared to be healthy. Only mild abdominal pain was noticed. He was normotensive but with mild tachycardia (111/min). Laboratory analysis was unremarkable except for normocytic anemia (hemoglobin 78 g/L). He denied medicine...