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| Patterns | Number |
|---|---|
| RS (n=1) | |
| Ipsilateral | |
| Other lobe | 1 |
| PS (n=11) | |
| Ipsilateral | |
| Mediastinal lymph nodes | 4 |
| Residual lobe | 1 |
| Other lobe | 2 |
| Parietal pleura | 1 |
| Contralateral | |
| Lobe | 1 |
| Bilateral multiple metastasis | 1 |
| Brain metastasis | 1 |
RS, radical segmentectomy; PS, palliative segmentectomy.
