Table 2.

Treatment outcomes of the different tumor burden

Prognostic factors	Five-year LRRF	Five-year DFFR	Five-year DFS	Five-year OS
G1	96.9%	94.8%	91.7%	95.8%
G2	91.9%	91.1%	81.7%	88.9%
G3	88.1%	76.1%	65.4%	79.2%
G4	87.6%	77.2%	60.6%	68.9%
P	0.012	<0.001	<0.001	<0.001

Abbreviations: DFFR, distant failure-free rate; DFS, disease-free survival; LRRF, local regional relapse free; OS, overall survival.