3779
No significant correlation was found between COUP - TFII expression and age at surgery , gender , histopathologic differentiation , vessel invasion , carcinoembryonic antigen ( CEA ) , or nodal involvement .
 vessel, nodal
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 vessel, nodal