Features of the TNM-9 classification for lung cancer and integration of TNM-8 limitations

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Structured review reveals enhanced accuracy in lung cancer staging using TNM-9, highlighting improvements in lymph node assessment and metastasis.

New subcategories were introduced in the N and M categories of the TNM-9 classification, improving staging accuracy and treatment planning.
Focused on changes between TNM-8 and TNM-9, the study highlights the importance of detailed characterization of lymph nodes and metastatic dissemination.
A structured review was conducted using clinical guidelines from IASLC, evaluating the recent shifts in tumor staging approaches for lung cancer.
Significant updates in the TNM-9 classification aim to optimize therapeutic decision-making and enhance communication in multidisciplinary tumor boards.

Kadyrbay et al. (2025) studied this question.

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Structured review reveals enhanced accuracy in lung cancer staging using TNM-9, highlighting improvements in lymph node assessment and metastasis.