Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest PA and lateral radiograph demonstrates unremarkable mediastinal , hilar and cardiac contours . Bibasilar atelectasis noted . There is mild pulmonary vascular congestion and mild interstitial edema . No focal consolidation , pleural effusion or pneumothorax evident . Left - sided AICD has leads are positioned in the expected positions of the right atrium and right ventricle .
    OUTPUT:
    
Mild pulmonary vascular congestion / interstitial edema .