From: The alterations of cytokeratin and vimentin protein expressions in primary esophageal spindle cell carcinoma
Survival (year)
Lymph node metastasis
χ 2
P
Yes (n = 23)
No (n = 59)
1
16 (69.5)
49 (83.1)
6.697
0.129
3
6 (26.1)
30 (50.8)
5
2 (8.7)
17 (28.8)
7
0 (0.0)
12 (20.3)
Over 7
10 (16.9)