Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP semi-upright view of the chest was reviewed . Compared to the most recent study performed five hours prior , there is new bilateral increased heterogeneity of the lungs with diffuse tiny lucencies consistent with interstitial pulmonary emphysema caused by barotrauma . The lines and tubes remain in proper position and the cardiac and mediastinal contours are unchanged . The small left pleural effusion has possibly increased .
    OUTPUT:
    
New interstitial pulmonary emphysema due to barotrauma .