A 61-year-old man comes to the physician for a 1-week history of fever and productive cough. He has history of hypertension and peripheral vascular disease managed with lisinopril, clopidogrel, and atorvastatin. One year ago, he had a cerebral infarction and was hospitalized for a week. He smokes one-half pack of cigarettes and drinks 2 shots of whisky daily. He works as a farmer. Temperature is 101 F. A chest x-ray is shown. Which of the following is the most likely explanation for this patient’s findings?
Acute bronchopulmonary aspergillosis
Gram-negative rod pneumonia
Gram-positive diplococcal pneumonia
Polymicrobial infection
Tuberculosis
