Table 1:
Positive rates of cervical lymph node metastases and overall five-year survival rates after three-field lymph node dissection.
Positive rates of cervical lymph node metastases according to tumor location
Overall 5-year survival rates according to pN status
Authors
Upper (%)
Middle (%)
Lower (%)
Total (%)
pN0 (%)
pN1 (%)
pN1 in cervical field (%)
Total (%)
Isono et al. [
3
]
42
38
19
33
NA
NA
NA
34
Altorki et al. [
6
]
13
59
33
36
88
33
25
51
Lerut et al. [
7
]
44.4
26.2
23
23.6
80.2
24.5
12.8
41.9
Shiozaki et al. [
8
]
23.5
34.5
10.5
27.5
NA
NA
NA
48.5
Shimada et al. [
4
]
48
30
18
26
68
37
32
52
Tachimori et al. [
9
]
21.2
25.5
5.6
17
85
30~50
30
NA