letter 2000 Endoscopic appendectomy in a case of appendicular intussusception due to endometriosis, mimicking a cecal polyp The American journal of gastroenterology ·doi:10.1111/j.1572-0241.2000.02108.x Endoscopic appendectomy in a case of appendicular intussusception due to endometriosis, mimicking a cecal polyp