20%
0%
80%
胃出血,疝气,阑尾炎
痔病,肛瘘,直肠脱垂,肛门畸形等.
Gardner综合征,又称为魏纳-加德娜综
放射性肠炎(radiationenteritis)是盆
结肠憩室是结肠壁向外凸出形成袋状,