707 / 1138
•
79 patients at high-risk of RP (2008-2011)
•
PTV > 100cc
70 pts
•
Previous pneumectomy / bi-lobectomy 13 pts (10 / 3)
•
Reasons for ineligiblity for standard treatment options
•
Co-morbidity 84.3%
•
Patients refusal 15.7%
•
Use of RapidArc and AAA planning algorithm
Aim: Identify dosimetric predictors for pneumonitis (RP)
Risks of Grade 3 radiation pneumonitis
Bongers E, Radioth Oncol 2013