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The authors present a case of t-AML that developed in a child with metastatic neuroblastoma 18 months after he received oral etoposide, given for palliation purpose.
 a child with metastatic neuroblastoma: Subject; child: Subject.Age; t-AML: Effect; oral etoposide: Treatment; 18 months: Treatment.Time_elapsed; oral: Treatment.Route; etoposide: Treatment.Drug; metastatic neuroblastoma: Treatment.Disorder
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: adverse event 
  Option: Treatment.Freq, Subject.Population, Combination.Drug, Subject.Gender, Treatment.Duration, Subject, Effect, Treatment, Treatment.Disorder, Subject.Disorder, Treatment.Route, Subject.Race, Treatment.Time_elapsed, Treatment.Dosage, Subject.Age, Treatment.Drug 
Text: {0} 
Answer:
 a child with metastatic neuroblastoma: Subject; child: Subject.Age; t-AML: Effect; oral etoposide: Treatment; 18 months: Treatment.Time_elapsed; oral: Treatment.Route; etoposide: Treatment.Drug; metastatic neuroblastoma: Treatment.Disorder