Correlation Coefficient of Maximum Diameter of GTV Compared with Maximum Diameter of Tumor on Pathologic Examination
| Parameter | Median (cm) | Range (cm) | P | Pearson r |
| Pathologic | 2.10 | 1.20–6.50 | ||
| GTVCT | 3.24 | 2.10–8.84 | <0.0001 | 0.87 |
| GTVAuto | 3.08 | 1.73–7.41 | <0.0001 | 0.83 |
| GTVManual | 3.11 | 2.19–8.91 | <0.0001 | 0.93 |
| GTVCT+Auto | 3.51 | 2.31–8.92 | <0.0001 | 0.86 |
| GTVCT+Manual | 3.66 | 2.07–8.67 | <0.0001 | 0.94 |