... hotspots in the majority of our cases, indicating additionalfactors determining normal tissue tolerance in IMRT.With respect to future proceeding, mild dose escalationlimited to the GTV in patients ... observation of very few (~15 %) caseswith grade 3 acute mucositis despite full SIB dose deliv-ered to the mucosa, and observed better tissue healing, areinteresting and clinically relevant findings ... Urba S, Lin A, Schipper MJ, Wolf GT: Recur-rences near base of skull after IMRT for head -and- neckcancer: implications for target delineation in high neck and for parotid gland sparing. Int J Radiat...