2832
OBJECTIVE: The purpose of this study was to report the concomitant occurrence of multiple squamous cell carcinomas and diffuse nail hyperpigmentation associated with hydroxyurea treatment, and to describe a successful therapeutic approach using imiquimod 5%.
 adverse event: associated 
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: adverse event, potential therapeutic event 
Text: {0} 
Answer:
 adverse event: associated 