Table 2.

Corresponding risk score for each variable and total score

Variables	Category	Score
Age	< 60	0
	≥ 60	33
Cancer status	Tumor free	0
	With tumor	100
Tumor residual	No	0
	1-10 mm	52.5
	11-20 mm	70
	> 20 mm	90
Risk signature	Low	0
	High	57.5
Total score	Low risk	0–95
	Moderate risk	100–215
	High risk	≥ 225