Characteristics
|
No.
|
---|
Age (years)
|
< 60
|
37
|
≥ 60
|
53
|
Gender
|
Male
|
47
|
Female
|
43
|
Tumor size (cm)
|
≤3.0
|
41
|
>3.0
|
49
|
Tumor differentiation
|
Well
|
15
|
Moderate
|
25
|
Poor
|
50
|
Lymph node status (stage)
|
N0
|
54
|
N1
|
30
|
N2
|
6
|
- Lymph node status (stage) was defined by the AJCC 8th edition (N0: node negative, N1: 1–3 nodes positive for metastatic disease, N2: more than four nodes positive for metastatic disease)