DFS curves for TNBC cases using three-tier stratification models integrating aTILs and mTILs. TNBC cases in both cohorts were stratified into three subgroups based on the different dichotomous outcomes for the mTIL, mTILs-con, and aTIL models, including the composite TILs-High group (mTILs-High/aTILs-High), composite TILs-Low group (mTILs-Low/aTILs-Low), and composite TILs-Uncertain group (either mTILs-High/aTILs-Low or mTILs-Low/aTILs-High). Kaplan–Meier curves of DFS were generated for the three groups using the composite mTIL/aTIL models in the SYSUCC cohort (a-d) and TCGA cohort (e-h). The cut-off values used were 15%, 9%, 10% and 14.1% for mTILs-1, mTILs-2, mTILs-3 and aTILs in SYSUCC cohort and 15%, 20%, 20% and 12.3% for mTILs-1, mTILs-2, mTILs-3 and aTILs in TCGA cohort. P-value was calculated using log rank test.