2074
When the patient was treated again with fludarabine nine months later, the DAT became positive with anti-IgG and anti-C3d antiglobulins after the second course of treatment.
 adverse event: treated 
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: treated 