Skip to main content

Advertisement

Fig. 1 | Radiation Oncology

Fig. 1

From: Excluding PTV from lung volume may better predict radiation pneumonitis for intensity modulated radiation therapy in lung cancer patients

Fig. 1

Contouring examples of targets and three normal lung definitions. a GTV = Gross Tumor Volume; PGTV = Planning Gross Tumor Volume; CTV = Clinical Target Volume; PTV = Planning Target Volume. b Directly using total bilateral lung volume definition. c Excluding PGTV from total bilateral lung volume definition. d Excluding PTV from total bilateral lung volume definition

Back to article page