9689
Three months following splenectomy , multiple abscesses occurred in the muscles of both thighs while the patient was receiving the third course of the CHOP regimen .
 multiple abscesses, CHOP
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:
 multiple abscesses, CHOP