Fig. 2

HLA class I HC expression in HR+/HER2− breast cancer and patterns of tumor-infiltrating lymphocytes (TILs): the fraction of tumors with high (gray) and low (white) HLA class I HC expression are shown according to the quantity of intratumoral TILs (a), stromal TILs (b) and the combination of the two patterns (c). TILs and their distribution and their association with progression-free survival in HR+/HER2- breast cancer (d)