585
We report the case of a 51-year-old man in whom IFN-alpha treatment was followed by recurrence of Graves' disease 10 years after thyroidectomy was performed and the patient was declared cured.
 adverse event: followed 
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: followed 