肠的先天异常主要包括憩室或闭锁，肠道闭锁常与别的先天性异常有关。图示常见的胃肠道Meckel憩室。记住2这个数字：大约2%的人具有这种疾病，病灶常距离回盲瓣2英尺的地方。
Congenital anomalies of bowel consist mainly of diverticulae or atresias which are often in association with other congenital anomalies. Seen here is the most common congenital anomaly of the GI tract--a Meckel's diverticulum. Remember the number 2: about 2% of people have them; they are usually located 2 feet from the ileocecal valve.
