Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Hilar congestion with mild interstitial pulmonary edema noted . There also bibasilar opacities right greater than left which could reflect aspiration or pneumonia . No large effusion or pneumothorax . Overall cardiomediastinal silhouette is unchanged . Bony structures are intact .
    OUTPUT:
    
Mild pulmonary edema with bibasilar opacities which could reflect atelectasis though difficult to exclude aspiration / pneumonia .