1091
There have been concerns that the risk of cardiovascular thrombotic events may be higher with cyclooxygenase ( COX ) - 2 - specific inhibitors than nonselective nonsteroidal antiinflammatory drugs ( NSAIDs ) .
 Disease: thrombotic
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: thrombotic