Subjects
tumor, HNC
TUMOR, SWALLOWING DIFFICULTIES
Adult patients with HNC treated at Sahlgrenska University Hospital, Gothenburg, Sweden were eligible for the study. Inclusion criteria were: tumor of the base of the tongue, tonsil, hypopharynx, or larynx 6–36 months after completion of radiotherapy. Eligible patients were contacted by telephone and offered a videofluoroscopic examination of swallowing (VFSS) to determine presence of swallowing difficulties. 174 patients accepted (see Fig. Flow chart of enrollment