Tertiary lymphoid structures in breast cancer: formation, immune functions and clinical implications - Summary - MDSpire

Tertiary lymphoid structures in breast cancer: formation, immune functions and clinical implications

  • By

  • Wenting Dong

  • Shichao Ai

  • Xiaofei Shen

  • Yongzhong Yao

  • June 2, 2026

  • 0 min

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Objective:

To summarize the structural organization, developmental stages, and clinical significance of tertiary lymphoid structures (TLS) in breast cancer, emphasizing their context-dependent roles.

Key Findings:
  • TLS are associated with both favorable and unfavorable clinical outcomes in breast cancer, reflecting their heterogeneous nature as noted in the source.
  • TLS maturity varies significantly across different breast cancer settings, influencing their functional roles as described in the source.
  • Standardized classification of TLS is necessary for better understanding and clinical application, as highlighted in the source.
Interpretation:

TLS status represents a context-dependent biomarker in breast cancer, requiring further mechanistic understanding for clinical translation.

Limitations:
  • Lack of standardized classification criteria for TLS across studies.
  • Variability in TLS maturation and immune composition complicates interpretation of their clinical significance.
Conclusion:

TLS represent a complex aspect of the tumor microenvironment in breast cancer, with implications for understanding tumor behavior.

Original Source(s)

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