2291
TGF - beta RII expression was correlated with stage ( P = 0 . 03 ) , while no statistically significant correlation was found between TGF - beta RII expression and histological grade or survival .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 None