Correct!
4. 1 and 3
Pulmonary function testing was performed after resolution of his pneumothorax (Figure 4).
Figure 4. Pulmonary function testing.
A pigtail catheter was placed and the lung reexpanded. In addition, a negative cocci serology and negative ANA, RF and CCP with normal sedimentation rate was observed.
What is the diagnosis? (Click on the correct answer to be directed to the sixth of seventh pages)