Fig. 2: Kaplan–Meier overall (disease-specific) survival curves.

a Stratified for CA9 expression (negative—N/low—L vs. medium—M/high—H), b stratified for TIL score (low 1,2 vs. high 3,4) and c double stratification for CA9 and TIL score.
a Stratified for CA9 expression (negative—N/low—L vs. medium—M/high—H), b stratified for TIL score (low 1,2 vs. high 3,4) and c double stratification for CA9 and TIL score.