Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Re - demonstration of a small amount of presumed free subdiaphragmatic air below left hemidiaphragm , described previously as the likely a consequence of recent percutaneous G - tube placement . On this semi-erect view , it is difficult to evaluate for interval change . Persistent mild pulmonary edema , without new focal consolidation or pneumothorax . Small bilateral effusions are unchanged . The cardiomediastinal silhouette is also unchanged .
    OUTPUT:
    
1 . Persistent presumed free left subdiaphragmatic air due to recent G - tube placement , as discussed with the clinician yesterday . On this semi-erect view , it is difficult to evaluate for interval change . 2 . Persistent mild pulmonary edema .