Table 6.
Analysis of lymph Node Metastases (LNM)
| Variables | ŷ ≤ 0.43 | 0.43 ~ 0.80 | ŷ > 0.80 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Negative LNM | Positive LNM (%) | Total | Negative LNM | Positive LNM (%) | Total | Negative LNM | Positive LNM (%) | Total | |
| Num | 69 | 2(3) | 71 | 83 | 18(18) | 101 | 63 | 49(44) | 112 |
| Differentiation | |||||||||
| I | 69 | 2(3) | 71 | 11 | 2(15) | 13 | 0 | 2(100) | 2 |
| II + III | − | − | − | 72 | 16(18) | 88 | 63 | 47(43) | 110 |
| Tumor size(cm) | |||||||||
| ≤ 2 | 57 | 0(0) | 57 | 50 | 13(20) | 64 | 4 | 4(50) | 8 |
| 2 ~ 2.65 | 12 | 2(14) | 14 | 22 | 4(15) | 26 | 5 | 0(0) | 5 |
| > 2.65 | − | − | − | 11 | 1(8) | 12 | 54 | 45(45) | 99 |
| Bronchus invasion | |||||||||
| Absent | 69 | 2(3) | 71 | 83 | 17(17) | 100 | 44 | 32(42) | 76 |
| Present | − | − | − | 0 | 1(100) | 1 | 19 | 17(47) | 36 |