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Strong positive expression of mEndostatin was seen in the tumor tissue after injection of Ad - mEndostatin , immunhistochemically ostained by mouse endostatin monoclonal antibody , while the control groups showed only very low expression or absence .
 Anatomy: tumor tissue
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 tissue