9514
We report an unusual pattern of supravenous hyperpigmentation occurring after CHOP chemotherapy .
 supravenous hyperpigmentation, 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:
 supravenous hyperpigmentation, CHOP