Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Post - surgical changes are again visualized throughout the left lung with ___ and clips . A left subclavian PICC remains stable with the tip at the superior cavoatrial junction . However , there is improved aeration of the left lung with the previously visualized left upper lobe opacity appearing less confluent . Furthermore , the left pleural effusion has also decreased in size . The right lung appears clear . The visualized portions of the cardiomediastinal silhouette remains stable . There is no pneumothorax . The stomach appears distended with gas .
    OUTPUT:
    
1 . Improved aeration of the left lung with decreased atelectasis and effusion . 2 . The stomach appears distended with gas . Clinical correlation is recommended .