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Acute myeloid leukemia and lung cancer occurring in a chronic lymphocytic leukemia patient treated with fludarabine and autologous peripheral blood stem-cell transplantation.
 ( adverse event: occurring ,  a chronic lymphocytic leukemia patient: Subject, Acute myeloid leukemia and lung cancer: Effect, fludarabine and autologous peripheral blood stem-cell transplantation: Treatment, fludarabine: Treatment.Drug, chronic lymphocytic leukemia: Treatment.Disorder) 
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: occurring ,  a chronic lymphocytic leukemia patient: Subject, Acute myeloid leukemia and lung cancer: Effect, fludarabine and autologous peripheral blood stem-cell transplantation: Treatment, fludarabine: Treatment.Drug, chronic lymphocytic leukemia: Treatment.Disorder) 