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. 2020 Jun 26;158(5):2192–2199. doi: 10.1016/j.chest.2020.05.607

Table 2.

Lymph Node Metastasis by Tumor Diameter

Tumor Diameter (mm) Risk of Any LN Metastasis (%) Percent of N Stage Metastases, No. (%)
N1 N2 N3 Total
≤10 19.3 15 (68.2) 7 (31.8) 0 (0.0) 22 (100.0)
>10 and ≤20 20.1 16 (47.1) 16 (47.1) 2 (5.9) 34 (100.0)
>20 26.5 7 (53.8) 4 (30.8) 2 (15.4) 13 (100.0)