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The incidence of central and lateral LNM in T1a PTC by tumor location.
| Incidence (%) | Central LNM | Lateral LNM |
|---|---|---|
| Tumor location | ||
| Upper lobe | 30.3% (20/66) | 33.3% (22/66) |
| Middle lobe | 19.4% (38/196) | 7.7% (15/196) |
| Lower lobe | 26.5% (23/83) | 8.4% (7/83) |
| Overall | 23.5% (81/345) | 12.8% (44/345) |
In bold: emphasizing the values.
