2774
One of these mechanisms is NF - kappaB pathway activation which in turn may contribute to tumor formation by providing anti - apoptotic survival signals to the epithelial cells .
 Anatomy: tumor; Anatomy: epithelial cells
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: tumor; Anatomy: epithelial cells