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. 2021 Apr 9;11:647172. doi: 10.3389/fonc.2021.647172

Table 7.

Comparison of the median survival time between patients with HGT and PORT and patients with HGT and no PORT.

Characteristics PFS OS
Median for survival time P-value Median for survival time P-value
PORT 0.037 0.094
 Yes 39.5 Not reached
 No 7 18

HGT, high-grade transformation; PORT, postoperative radiotherapy; PFS, progression-free survival; OS, overall survival.