Research Article

The Impact of Tumor Infiltrating Lymphocytes Densities and Ki67 Index on Residual Breast Cancer Burden following Neoadjuvant Chemotherapy

Table 3

Association count (%) between TIL and PCR in the 2 molecular subtypes among 153 breast cancer cases (chi-square test).

Luminal, HER2-ve subtypePosttherapy groups value
PCR groupNon-PCR group
Count (%)Count (%)

Lymphocyte groups
 Lymphocyte poor0 (0.0%)16 (21.6%)1
 Intermediate group1 (50.0%)38 (51.4%)
 Lymphocytic predominant1 (50.0%)20 (27.0%)
TN+ subtype
Lymphocyte groups
 Lymphocyte poor4 (14.8%)7 (14.0%)0.803
 Intermediate group8 (29.6%)19 (38.0%)
 Lymphocytic predominant15 (55.6%)24 (48.0%)

denotes statistically significant. + TNBC: triple negative subtype.