9496
CONCLUSIONS : This case describes the clinically significant increase of INR in an elderly patient after adding a chemotherapy regimen of levamisole and 5-FU to a previous regimen of warfarin alone .
 increase of INR, 5-FU; increase of INR, levamisole; increase of INR, warfarin
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 increase of INR, 5-FU; increase of INR, levamisole; increase of INR, warfarin