Image of the Week: Persistent cough and sputum in a 75-year-old woman

A 75-year-old woman presents with a 2-year history of a persistent cough and fatigue. The cough is occasionally productive of purulent sputum. She was treated for community-acquired pneumonia two years earlier and underwent an anterior cervical discectomy and fusion previously. Chest auscultation reveals wheezing in the mid zones bilaterally and a later chest radiograph and CT scan demonstrate the findings ...