12274
Moreover , the membrane localization of B7 - H4 was inversely correlated with the intensity of tumor infiltrates lymphocyte ( TILs ) , whereas no association was observed between nuclear expression of B7 - H4 and the density of TILs status .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
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