Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Persistence of a small left apical pneumothorax . The right pleural surfaces are normal . The lung volumes are slightly decreased compared to prior . Increased bibasilar opacities , right > left . A moderate amount of peribronchial coughing likely consistent with mild pulmonary vascular congestion and mild interstitial edema . The cardiomediastinal and hilar contours are stable . The mildly displaced lateral left sixth rib fracture is not as well visualized as on prior chest radiograph .
    OUTPUT:
    
1 . Persistence of small left apical pneumothorax . 2 . Mild pulmonary vascular congestion and interstitial edema . 3 . Worsening bibasilar atelectasis with possible secondary superimposed process the in the right lower lobe such as aspiration or developing infectious pneumonia .