Endoscopic Injection of Mitomycin C for the Treatment of Pharyngoesophageal Stenosis Refractory to Endoscopic Treatment with Dilatation in Patients Treated for Head and Neck Cancer

Table 1

Dysphagia scoring system [10].

0	Able to eat normal; no dysphagia
1	Able to shallow some solid foods
2	Able to shallow only semisolid foods
3	Able to shallow only liquids
4	Unable to eat; total dysphagia