Abstract
35 cases that showed stenosis of upper G. I. tract have been treated with laser irradiation by endoscopy. Post therapeutic evaluation were classified in 3 groups. Sufficient; normal meal can be taken. Effective; soft meal can be taken. Insufficient; only liquid meal can be taken. 7 cases were benign stricture such as post operative stomal stenosis, all cases got sufficient or effective result. 28 cases were malignant stenosis caused by advanced canser. 7 of them got sufficient, 10 got effective, others were insufficient. Endoscopic laser therapy is very usaful as primary induction for malignant stenosis, And other method such as chemotherapy, radiation should be followed.
