Fig. 3

Subgroup analysis of OS in patients with independent risk factors characteristics after PSM in the Group A and Group B. (OS: Overall survival, CDS/ CDS1/ CDS2/ CDS3/ CDS4/ CDS5:Cancer-directed surgery in the primary/ first/ second/ third/ fourth/ five databases generated after Multiple Imputation, TStage/ TStage1/ TStage2/ TStage3/ TStage4/ TStage5:T stage in the primary/ first/ second/ third/ fourth/ five databases generated after Multiple Imputation)