IMRT

SWALLOWING: predictors • Christianen et al , 2011, prospective study, 354 pts

• Toxicity related to mean dose to superior pharingeal constrictors and supraglottic larynx • Age, previous symptoms, CHT • Oral mucosa irradiation (Schwartz 2011, Sanguineti 2011) • PEG tube insertion (Percutaneous endoscopic gastrostomic) (Caudell 2010, Sanguineti 2011)

NTCP curves for SWALM6 for each 10 Gy increase in dose to the supraglottic larynx.