Review Question - QID 214961

A 51-year-old man presents to the emergency department complaining of fever and a cough with yellow-green sputum for the past 3 days. He denies any hemoptysis, facial pain, rhinorrhea, or night sweats. The patient reported similar symptoms 2 months ago. Chest radiograph performed at the time was notable for a right middle lobe consolidation. He was diagnosed with lobar pneumonia and completed a 7-day course of antibiotics with complete resolution of his symptoms. He has no other significant medical history and does not take any medications. He has smoked 1 pack of cigarettes a day for 35 years and drinks 3 beers per week. He is sexually active with his wife. His temperature is 101.7°F (38.7°C), blood pressure is 127/85, pulse is 102/min, and respirations are 22/min. Physical exam is notable for decreased breath sounds on the right side without wheezing and increased dullness to percussion on the right side. A chest radiograph is ordered and reveals a consolidation in the right middle lobe. Which of the following is the most appropriate next step in management?