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Stromal Tumor Infiltrating Lymphocytes (sTILs) Were Associated with a Higher Grade and a Lower Stage of Indonesian Triple Negative Breast Cancers. | LitMetric

Objective: This study aimed to investigate the association of sTILs with clinicopathological parameters and overall survival (OS) in patients with triple negative breast cancer (TNBC).

Methods: One hundred and twenty-five paraffin embedded tissue of patients with TNBC, collected from Dr. Sardjito General Hospital Yogyakarta, Indonesia, between 2008-2017, were used in this study. Stromal TILs were examined from hematoxylin and eosin (H&E)-stained samples, and classified as either low or high score using 20% cut-off. Analysis of the association of sTILs with clinicopathological parameters, relative risk (RR) and OS used 95% confidence interval (CI) with significance set as p<0.05.

Results: The higher proportion of TNBC patients in this study were ≥40 years old (83.3%), high tumor grade (68%), tumor stage >IIIa (56%), alive (50.4%), and with low sTILs (54.4%). The results showed significant association between sTILs and a higher grade or a lower stage of tumor (B = 0.259, 95%CI = 0.090-0.468, p = 0.004 and B = -0.255, 95%CI = -0.433 - -0.080, p = 0.005, respectively ). Meanwhile sTILs were not associated with age at diagnosis (B = 0.027, 95%CI = -0.193 - 0.264  p = 0.758 nor 3-year OS of patients (HR = 0.342, 95%CI = 0.41 - 1.43  p = 0.402).

Conclusion: The results indicate that sTILs may serve as an additional pathological parameter for TNBC.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9741910PMC
http://dx.doi.org/10.31557/APJCP.2022.23.8.2749DOI Listing

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