2742
Elevation of ADAM10 , ADAM17 , MMP - 2 and MMP - 9 expression with media degeneration features CaCl2 - induced thoracic aortic aneurysm in a rat model .
 CaCl2, thoracic aortic aneurysm
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 CaCl2, thoracic aortic aneurysm