Open Access

Prognostic significance of tumour‑infiltrating lymphocytes for oestrogen receptor‑negative breast cancer without lymph node metastasis

  • Authors:
    • Sasagu Kurozumi
    • Hiroshi Matsumoto
    • Masafumi Kurosumi
    • Kenichi Inoue
    • Takaaki Fujii
    • Jun Horiguchi
    • Ken Shirabe
    • Tetsunari Oyama
    • Hiroyuki Kuwano
  • View Affiliations

  • Published online on: January 16, 2019     https://doi.org/10.3892/ol.2019.9938
  • Pages: 2647-2656
  • Copyright: © Kurozumi et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

Metrics: Total Views: 0 (Spandidos Publications: | PMC Statistics: )
Total PDF Downloads: 0 (Spandidos Publications: | PMC Statistics: )


Abstract

Tumour‑infiltrating lymphocytes (TILs) are regarded as significant prognostic markers in patients with breast cancer. However, the prognostic utility of TIL expression based on the intrinsic subtypes has just been identified. The present study investigated the relationship between TIL grades and prognosis in 294 Japanese paitents with breast cancer stratified based on the intrinsic subtypes and clinicopathological characteristics. Stromal TIL status was evaluated using haematoxylin and eosin staining, and TIL grades were categorised into low (<10%), intermediate (≥10 and ≤40%) and high (>40%) groups. The relationship between TIL expression and the intrinsic subtypes, clinicopathological characteristics and patient prognosis was analyzed. It was revealed that high TIL expression was correlated with negative oestrogen receptor (ER) expression and high histological grade (P<0.001). Among the ER‑negative patients, the relapse‑free survival (RFS) rate of the high‑grade TIL group was significantly higher than that of the low‑grade TIL group (P=0.04). Among the ER‑negative patients without lymph node metastasis, RFS and cancer‑specific survival (CSS) rates of patients with high‑grade TILs were significantly higher than the RFS and CSS rates of patients with low‑grade TILs (P=0.01). However, among ER‑positive patients, RFS was significantly higher in the low‑grade TIL group than in the high‑grade TIL group (P=0.02). In conclusion, TIL expression correlated with ER status and tumour proliferation. High TIL expression was a poor prognostic marker in ER‑positive patients but was a good prognostic marker in ER‑negative patients. Therefore, the biological association between TILs and primary breast tumours may differ between ER‑positive and ER‑negative breast cancer.
View Figures
View References

Related Articles

Journal Cover

March-2019
Volume 17 Issue 3

Print ISSN: 1792-1074
Online ISSN:1792-1082

Sign up for eToc alerts

Recommend to Library

Copy and paste a formatted citation
x
Spandidos Publications style
Kurozumi S, Matsumoto H, Kurosumi M, Inoue K, Fujii T, Horiguchi J, Shirabe K, Oyama T and Kuwano H: Prognostic significance of tumour‑infiltrating lymphocytes for oestrogen receptor‑negative breast cancer without lymph node metastasis. Oncol Lett 17: 2647-2656, 2019
APA
Kurozumi, S., Matsumoto, H., Kurosumi, M., Inoue, K., Fujii, T., Horiguchi, J. ... Kuwano, H. (2019). Prognostic significance of tumour‑infiltrating lymphocytes for oestrogen receptor‑negative breast cancer without lymph node metastasis. Oncology Letters, 17, 2647-2656. https://doi.org/10.3892/ol.2019.9938
MLA
Kurozumi, S., Matsumoto, H., Kurosumi, M., Inoue, K., Fujii, T., Horiguchi, J., Shirabe, K., Oyama, T., Kuwano, H."Prognostic significance of tumour‑infiltrating lymphocytes for oestrogen receptor‑negative breast cancer without lymph node metastasis". Oncology Letters 17.3 (2019): 2647-2656.
Chicago
Kurozumi, S., Matsumoto, H., Kurosumi, M., Inoue, K., Fujii, T., Horiguchi, J., Shirabe, K., Oyama, T., Kuwano, H."Prognostic significance of tumour‑infiltrating lymphocytes for oestrogen receptor‑negative breast cancer without lymph node metastasis". Oncology Letters 17, no. 3 (2019): 2647-2656. https://doi.org/10.3892/ol.2019.9938