Topography of lesions | Numbers | % |
Stenosis of the mouth of Killian | 27 | 40.3 |
1/3 middle esophagus | 7 | 10.4 |
1/3 middle and lower esophagus | 2 | 3 |
Killian’s mouth stenosis + middle 1/3 esophagus | 5 | 7.5 |
Stenosis of Killian’s mouth and lower 1/3 of the esophagus | 3 | 4.5 |
1/3 lower esophagus | 23 | 34.3 |
Total | 67 | 100 |