Fig. 3: Correlation between pathologist-read sTILs% and image analysis-based easTILs% score.

r Pearson correlation coefficient, TILs tumor-infiltrating lymphocytes. easTILs% [sum of lymphocytes area/stromal area] × 100. sTILs% pathologist assessment of stromal TILs. Statistical analysis was performed using the Pearson correlation coefficient.