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Formation of coronary aneurysm is a rare complication of stenting with bare metal stents , but based on experimental studies drug - eluting stents may induce toxic effects on the vessel wall with incomplete stent apposition , aneurysm formation and with the potential of stent thrombosis or vessel rupture .
 coronary aneurysm, aneurysm, thrombosis, vessel rupture
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 coronary aneurysm, aneurysm, thrombosis, vessel rupture