Figure 7

Kaplan–Meier curves for the prognostic value of the signature of risk parameter in each clinical feature for the patients. (a) Age, (b) stage, (c) T classification, (d) N classification, (e) M classification.

Kaplan–Meier curves for the prognostic value of the signature of risk parameter in each clinical feature for the patients. (a) Age, (b) stage, (c) T classification, (d) N classification, (e) M classification.