Fig. 1From: Possibility of avoiding axillary lymph node dissection by immune microenvironment monitoring in preoperative chemotherapy for breast cancerHistopathological evaluation of TILs. TILs were evaluated on biopsy specimens by measuring the percentage of area occupied by lymphocytes on the hematoxylin and eosin (H&E)-stained tumor section at the time of breast cancer diagnosis. The area of the stroma region with lymphoplasmacytic infiltration was > 50%, > 10–50%, ≤ 10%, or absent, and the corresponding score assigned was 3, 2, 1, or 0, respectively (A–D respectively)Back to article page