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We report a case of drug-induced Kaposi's sarcoma (KS) on the sole of the right foot in a 71-year-old man, treated for 6 months with corticosteroid therapy (prednisolone 25 mg/day) for pericardial effusion.
 a case of: Subject; a 71-year-old man: Subject; for pericardial effusion: Subject; 71-year-old: Subject.Age; man: Subject.Gender; Kaposi's sarcoma (KS): Effect; 6 months with corticosteroid therapy (prednisolone 25 mg/day): Treatment; 6 months: Treatment.Duration; 25 mg/day: Treatment.Dosage; prednisolone: Treatment.Drug; pericardial effusion: 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 case of: Subject; a 71-year-old man: Subject; for pericardial effusion: Subject; 71-year-old: Subject.Age; man: Subject.Gender; Kaposi's sarcoma (KS): Effect; 6 months with corticosteroid therapy (prednisolone 25 mg/day): Treatment; 6 months: Treatment.Duration; 25 mg/day: Treatment.Dosage; prednisolone: Treatment.Drug; pericardial effusion: Treatment.Disorder