Fig. 3From: 4DCT and CBCT based PTV margin in Stereotactic Body Radiotherapy(SBRT) of non-small cell lung tumor adhered to chest wall or diaphragmPrecorrection cone-beam CT (CBCT) image for an protocol NSCLC patient in the thermoplastic mask. TP-3DCT GTV in Yellow; Precorrection GTV in Red Back to article page