A: Overall survival for stage I in DP, PD, and TP group (P = 0.962). B: Overall survival for stage II in DP, PD, and TP group (P = 0.874). C: Overall survival for stage III in DP, PD, and TP group (P = 0.942). D: Cancer-specific survival for stage I in DP, PD, and TP group (P = 0.972). E: Cancer-specific survival for stage II in DP, PD, and TP group (P = 0.790). F: Cancer-specific survival for stage III in DP, PD, and TP group (P = 0.936).</p