Table 3. Detailed score of each prognostic factor in CSS nomogram.

Variables	CSS nomogram
Age (years)
<66	0
66–76	18.0
>76	33.7
N stage
N0	7.8
N1	0
N2	26.2
N3	31.8
Surgery
No	59.8
Yes	0
Radiation
No/unknown	11.7
Yes	0
Chemotherapy
No/unknown	100.0
Yes	0
Liver metastasis
No	0
Yes	23.7
Bone metastasis
No	0
Yes	18.2
Lung metastasis
No	0
Yes	13.8

CSS, cancer-specific survival.