Correct!
5. All of the above
His repeat spirometry done in the office shows a FVC of 2.15 L and a FEV1 of 1.05 L. A HRCT of the thorax is interpreted as showing reticulonodular changes and small cysts bilaterally in the mid and upper lung zones which is stable compared to a CT scan done 2 years ago. His alpha-1 antitrypsin level had not returned. A request for his pathology report was submitted to another hospital.
Which of the following is the most likely diagnosis? (Click on the correct answer to be directed to the fourth of five pages)