857
METHODS : After immunohistochemical staining , light microscope was used for counting macrophages and automated image analysis quantification was used to determine VEGF - C expression , which was reflected by positive index ( PI ) .
 Anatomy: macrophages
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: macrophages