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Patient and tumour characteristics.
| Parameter | Total (n=70) |
|---|---|
| Age, years | |
| Median (range) | 65 (40-83) |
| Sex | |
| Male | 51 |
| Female | 19 |
| Histology | |
| Adenocarcinoma | 40 |
| Squamous cell carcinoma | 30 |
| Smoking status | |
| Smoker | 23 |
| Non-smoker <6 months | 15 |
| Non-smoker >6 months | 28 |
| Never-smoker | 4 |
| Therapy | |
| OP | 40 |
| OP/RT | 2 |
| OP/CT | 24 |
| OP/RT/CT | 4 |
| P stage | |
| IA | 8 |
| IB | 31 |
| IIA | 0 |
| IIB | 17 |
| IIIA | 14 |
| ECO | |
| 0 | 65 |
| 1 | 4 |
| 2 | 1 |
OP, surgery; RT, radiotherapy; CT, chemotherapy; P stage, pathological stage; ECOG, Eastern Cooperative Oncology Group.
