Fig. 3

a Survival analysis for patients (stage II–IV) with low scores stratified by the receipt of adjuvant chemotherapy in the training cohort (P = 0.909). b Survival analysis for patients (stage II–IV) with high scores stratified by the receipt of adjuvant chemotherapy in the training cohort (P = 0.764). c Survival analysis for patients (stage II–IV) with low scores stratified by the receipt of adjuvant chemotherapy in the validation cohort (P = 0.010). d Survival analysis for patients (stage II–IV) with high scores stratified by the receipt of adjuvant chemotherapy in the validation cohort (P = 0.213)