Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The previously documented left middle zone and left basilar opacities demonstrate interval improvement . These findings likely represent improving pneumonia or aspiration pneumonitis . Right lower lobe atelectasis is essentially unchanged . A chest tube is seen within the right hemithorax with no pneumothorax . Small bilateral pleural effusions are seen , again unchanged . Cardiomediastinal silhouette is stable . Perineoesophageal opacity remains unchanged . Right - sided Port - A - Cath is unchanged in position terminating within the right atrium .
    OUTPUT:
    
1 ) Improving left lung aeration and opacities representing improving pneumonia or aspiration . 2 ) Persistent small bilateral pleural effusions . No pneumothorax .