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. 2021 Dec 25;5:32. doi: 10.21037/med-21-24

Table 5. Stage distribution between the Masaoka-Koga and IASLC/IMTIG TNM systems.

Masaoka-Koga stage IASLC/ITMIG TNM stage Total
I II IIIA IIIb IVa IVb
I 74 74
IIa 117 117
IIb 12 12
III 8 21 1 30
IVa 11 11
IVb 1 1
Total 203 8 21 1 12 0 245

IASLC, International Association for the Study of Lung Cancer; IMTIG, International Thymic Malignancy Interest Group; TNM, tumor-node-metastasis.