1697
Mutation analysis of latent membrane protein 1 ( LMP1 ) in Epstein - Barr virus ( EBV ) - induced B - cell immortalization revealed two transformation effector sites , TES1 and TES2 .
 B - cell
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 B - cell