A 54-year-old man comes to the physician for a 2-day history of cough and fever. Sputum sample grows gram-positive diplococci. Leukocyte count is 54,000/μL. A smear is shown. Which of the following is the most likely diagnosis?
Acute lymphoblastic leukemia
Acute myelogenous leukemia
Chronic lymphocytic leukemia
Chronic myelogenous leukemia
Leukemoid reaction