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Demographic and preoperative variables
| N | Age (years) | Sex | Symptoms | FEV1 (L) | FEV1 (%) | Tumour location | Histologic type | |
|---|---|---|---|---|---|---|---|---|
| Case 1 | 71 | Male | Cough | 2.62 | 83.1 | RUL | SCC | |
| Case 2 | 53 | Male | Cough | 1.41 | 53.5 | LUL | SCC | |
| Case 3 | 29 | Male | None | 3.97 | 96.6 | LLS | Salivary gland tumour |
N number, FEV1 forced expiratory volume in 1 sec, RUL right upper lobe, LUL left upper lobe, LLS left lingular segment, SCC squamous cell carcinoma
