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We have seen a case of terminal malignant melanoma in which clinical manifestations, indicative of anterior spinal artery syndrome, developed following the injection of 0.3 ml of 10% phenol-glycerine into the cervical subarachnoid space at the C4--C5 level for the control of severe right arm pain.
 ( adverse event: developed ,  terminal malignant melanoma in which clinical manifestations, indicative of anterior spinal artery syndrome: Effect, the injection of 0.3 ml of 10% phenol-glycerine into the cervical subarachnoid space at the C4--C5 level: Treatment, 10% phenol-glycerine: Treatment.Drug, severe right arm pain: Treatment.Disorder, injection: Treatment.Route, cervical subarachnoid space at the C4--C5 level: Treatment.Route, 0.3 ml: Treatment.Dosage) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: adverse event,potential therapeutic event, Arguments type: Treatment.Disorder,Treatment.Time_elapsed,Treatment.Dosage,Subject.Race,Treatment.Drug,Treatment.Route,Subject.Disorder,Treatment.Freq,Treatment,Effect,Subject.Population,Treatment.Duration,Combination.Drug,Subject,Subject.Age,Subject.Gender. 
Text: {0} 
Answer:
 ( adverse event: developed ,  terminal malignant melanoma in which clinical manifestations, indicative of anterior spinal artery syndrome: Effect, the injection of 0.3 ml of 10% phenol-glycerine into the cervical subarachnoid space at the C4--C5 level: Treatment, 10% phenol-glycerine: Treatment.Drug, severe right arm pain: Treatment.Disorder, injection: Treatment.Route, cervical subarachnoid space at the C4--C5 level: Treatment.Route, 0.3 ml: Treatment.Dosage) 