Fig. 2

CT-CT fusion images of two enrolled patients. Images on the left are pre-treatment ones, while those on the right are taken after 23 fractions of radiation. Red line indicates GTV-T, the green line outlines PTV, the blue line outlines PGTV
CT-CT fusion images of two enrolled patients. Images on the left are pre-treatment ones, while those on the right are taken after 23 fractions of radiation. Red line indicates GTV-T, the green line outlines PTV, the blue line outlines PGTV