3169
CONCLUSIONS : These principally structural studies support the hypothesis that the thrombus is a self - sustaining entity that may have significance in the pathophysiologic mechanism of abdominal aortic aneurysms .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None