1040
Immunohistochemical staining of the tumors demonstrated a decreased number of blood vessels in the treatment group versus the controls .
 Anatomy: tumors; Anatomy: blood vessels
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: tumors; Anatomy: blood vessels