Neoadjuvant chemotherapy is now a common practice for breast cancer patients, and the association of TILs with pCR after chemotherapy in HER2-positive breast cancer and TNBC is widely known.33,48,49 Stromal TILs are usually measured in this context, and few investigations have studied intratumoral TILs. This evidence concerns the gene ERBB2 and breast carcinoma.