3. Follow-up information (N=52).

Variables	Value (%)
OS, overall survival; RFS, relapse-free survival; LFFS, local failure-free survival; DMFS, distant metastasis-free survival.
2-year OS rate	92
2-year RFS rate	85
2-year LFFS rate	97
2-year DMFS rate	88
Median RFS (month)	30.5 (95% CI, 28.4−32.3)