Pretreatment and Posttreatment Tumor Metabolic Activity Assessed by FDG-PET/CT as Predictors of Tumor Recurrence and Survival Outcomes in Early-Stage Non-Small Cell Lung Cancer Treated With Stereotactic Body Radiation Therapy. - Deshpande SR; Podder TK; Grubb W; Zhang Y; Zheng Y; Towe C; Linden P; Avril N; Biswas T (Advances in radiation oncology, 2023)