Department of Radiation Medicine;
Roswell Park Comprehensive Cancer Center;
Buffalo;
NY 14203;
United States;
Department of Biostatistics and Bioinformatics;
Roswell Park Comprehensive Cancer Center;
Buffalo;
NY 14203;
United States;
Autosegmentation; Autocontouring; Lung cancer; Radiation therapy; Heart substructures; Stereotactic body radiation therapy;