Fig. 2: Kaplan–Meier plots for illustration of survival of patients depending on TB and LVI status.

a Overall survival (b) Progression free survival. Patients were stratified according to TB in 10 HPF and the absence or presence of LVI. HPF High-power field, L0 Lymphovascular invasion absent, L1 Lymphovascular invasion present, LVI Lymphovascular invasion, TB Tumor budding.