For incompletely resected NSCLC, PORT is used for improving local tumor control as local progression is still the major pattern of failure.
Radiation doses >54 Gy seem were associated with significantly improved local control in this retrospective study.
Furthermore, radiation doses of >54 Gy also significantly prolong distant progression-free survival and overall survival.
Survival was neither influenced by R1 localization nor by extent of microscopically residual disease (localized vs. diffuse).