Characteristic | Solitary lymph node metastasis (n = 33) | N0 (n = 102) | P-value |
---|---|---|---|
Age (years) | 0.253 | ||
≤ 60 | 24 | 63 | |
> 60 | 9 | 39 | |
Sex | 0.743 | ||
Female | 7 | 19 | |
Male | 26 | 83 | |
Tumor length | 0.839 | ||
≤ 5 cm | 24 | 76 | |
> 5 cm | 9 | 26 | |
Differentiation | 0.007 | ||
G1 | 4 | 34 | |
G2 | 21 | 60 | |
G3 | 8 | 8 | |
T category | < 0.001 | ||
T1 | 2 | 28 | |
T2 | 2 | 24 | |
T3 | 29 | 50 | |
Intramural metastasis | 1.000 | ||
No | 32 | 99 | |
Yes | 1 | 3 | |
0.739 | |||
≤ 25 | 18 | 59 | |
> 25 | 15 | 43 | |
Adjuvant therapy | 0.068 | ||
No | 26 | 93 | |
Yes | 7 | 9 | |
Lymphadenectomy | 0.276 | ||
2-field | 29 | 81 | |
3-field | 4 | 21 |