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Characteristics of patients
| Characteristics | Number of patients (%) |
|---|---|
| Male/female | 63/41 |
| Mean age (years) | 64.5 ± 0.7† |
| Histological type | |
| Adenocarcinoma | 65 (62.5 %) |
| Squamous cell carcinoma | 31 (29.8 %) |
| Adenosquamous carcinoma | 5 (4.7 %) |
| Sarcomatoid carcinoma | 1 (1 %) |
| Large cell carcinoma | 1 (1 %) |
| Synchronous cancer (adenocarcinoma + squamous cell carcinoma) | 1 (1 %) |
†Mean ± standard deviation
