I AM A LOOKING TO GO

What’s causing this persistent cough?

Figure 1 Quiz of the Week A 75-year-old female presents with a two-year history of a persistent cough and fatigue. The cough is occasionally productive of purulent sputum. She was treated for a community-acquired pneumonia two years earlier and underwent an anterior cervical discectomy and fusion previously, but is otherwise well. On examination, she appears…