Fig. 1From: Acute exacerbation of interstitial pneumonia associated with rheumatoid arthritis during the course of treatment for Pneumocystis jirovecii pneumonia: a case reportChest CT and chest X-ray before treatment with biologics. a Chest CT was performed 10 month before admission. Mild reticular shadow was observed in the bilateral lower lung. b Chest X-ray was performed 2 month before admission. Mild reticular shadow was observed in the bilateral lower lung againBack to article page