an obvious trendP <0.001
There was an obvious trend that OS and RFS became poorer with increasing metastatic LN number in Chinese (OS, P <0.001; RFS, P <0.001) and SEER cohorts (LCSS, P <0.001; OS, P <0.001).
There was an obvious trend that OS and RFS became poorer with increasing metastatic LN number in Chinese (OS, P <0.001; RFS, P <0.001) and SEER cohorts (LCSS, P <0.001; OS, P <0.001).