Table I.
Patient clinical characteristics.
| Characteristics | Patient no. (n=67) | % |
|---|---|---|
| Age, years range (mean ± SD) | 45–83 (68.4±9.0) | |
| Gender | ||
| Male | 44 | 65.7 |
| Female | 23 | 34.3 |
| Tumor size, cm range (mean ± SD) | 0–14 (3.2±2.2) | |
| T factor | ||
| T1 | 36 | 53.7 |
| T2 | 20 | 29.9 |
| T3 | 4 | 6.0 |
| T4 | 7 | 10.4 |
| Histology | ||
| Adenocarcinoma | 45 | 67.2 |
| Squamous cell carcinoma | 16 | 23.8 |
| Small-cell carcinoma | 2 | 3.0 |
| Other | 4 | 6.0 |
| N factor | ||
| Negative | 17 | 25.4 |
| Positive | 50 | 74.6 |
| p-Stage | ||
| IA | 32 | 47.8 |
| IB | 15 | 22.4 |
| IIA | 4 | 6.0 |
| IIB | 3 | 4.5 |
| IIIA | 6 | 8.9 |
| IIIB | 7 | 10.4 |
| Ly factor | ||
| Negative | 42 | 62.7 |
| Positive | 20 | 29.9 |
| Unknown | 5 | 7.4 |
| V factor | ||
| Negative | 43 | 64.2 |
| Positive | 19 | 28.4 |
| Unknown | 5 | 7.4 |
| Pl factor | ||
| Negative | 50 | 74.6 |
| Positive | 17 | 25.4 |
| Recurrence | ||
| Yes | 15 | 22.4 |
| No | 52 | 77.6 |
SD, standard deviation; n, factor, nodal invasion; ly factor, lymphatic invasion; v factor, venous invasion; pl factor, pleural invasion.