Tumor location | The site of skip metastasis | χ 2 | P value | |||
---|---|---|---|---|---|---|
Level II | Level III | Level IV | Level V | |||
 |  |  |  |  | 6.689 | 0.674 |
Upper 1/3 of the lobe (n = 22 cases) | 15 | 10 | 11 | 3 |  |  |
Middle 1/3 of the lobe (n = 2 cases) | 1 | 1 | 2 | 1 |  |  |
Lower 1/3 of the lobe (n = 8 cases) | 1 | 2 | 4 | 2 |  |  |
Isthmus (n = 4 cases) | 1 | 1 | 3 | 1 |  |  |