Table 1: Maximal radium of tumor, tumor volume, and gray contrast ratio of tumor versus other tissue around the tumor based on MRI.

Pre2 h5 h12 h

Tumor volume (mm3)249.32249.53289.39271.70
Maximal diameter (mm)6.8247.0867.3457.331
Gray contrast ratio1.35201.35731.85331.5343

Note. One voxel is 0.1 × 0.065625 × 1 mm3 according to the MRI image.