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Characteristics of the patients included in this study
| Variables | N = 25 |
|---|---|
| Gender, n (%) | |
| Male | 18 (72%) |
| Female | 7 (28%) |
| Age (years) | 61.5 ± 6.9 years old |
| Follow‐up periods (median) | 45 months (14–111 months) |
| Pathological type | |
| Adenocarcinoma | 15 (60%) |
| Squamous carcinoma | 10 (40%) |
| Operative procedure | |
| Lobectomy | 22 (88%) |
| Bilobectomy | 2 (8%) |
| Pneumonectomy | 1 (4%) |
| Pathological effect grade | |
| 1 | 5 (20%) |
| 2 | 14 (56%) |
| 3 | 6 (24%) |
