showed a trendp = 0.051
For tumor size, pT2 compared with pT1 showed a significant association (hazard ratio 2.39, 95% CI 1.15–13.0, p = 0.028), while pT3 compared with pT1 showed a trend toward an association (hazard ratio 2.45, 95% CI 1.00–13.6, p = 0.051).