“…Colonic perforation often affects elderly patients with medical co‐morbidity and is usually associated with high mortality and morbidity rates. Diverticulitis is the most common cause of large bowel perforation5, 6 followed by cancer7, and the incidence of perforated sigmoid diverticulitis is rising8, 9. Recently a new scoring system, the left colonic Peritonitis Severity Score (PSS), specific for colonic perforation and based on objective physiopathological and surgical data, has been described10.…”