440
Here we report a patient with newly diagnosed acute promyelocytic leukemia who developed acute focal myositis, synovitis, and possible vasculitis, after receiving all-trans retinoic acid therapy.
 adverse event: developed 
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: developed 