Problem: A 43 year old male had been working with the Peace Corps in Mexico for the past 10 years. His primary responsibilities were taking radiographs and doing laboratory work at the various clinics. He had been complaining of weakness and fatigue for about a month and had had several severe nosebleeds. His CBC on admission to the hospital was: WBC 25.6 X 10 9/L RBC 3.11 X 10 12/L Hgb 8.9 g/dL Hct 26.7% Platelets 13 X 10 9/L Differential 75% blasts with Auer Rods 20% lymphs 3% monos 2% segs Which leukemia does this patient most likely have? What could be a potential causative agent of the leukemia? Need Professional Help?