158: Tumour Response to Stereotactic Body Radiation Therapy (SBRT) as Predictor of Distant Failure and Survival Outcomes in Patients With Stage I Non-Small Cell Lung Cancer (NSCLC). (September 2016) - Tjong, Michael; Poon, Ian; Faruqi, Salman; Helou, Joelle; Zhang, Liying; Cheung, Patrick; Erler, Darby