Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal views of the chest demonstrate no radiopaque foreign body to suggest retained PICC fragment . Lung volumes are low , resulting in increased prominence of the cardiac silhouette and bronchovascular crowding . Allowing for this , heart size is likely normal . There is atelectasis in the bilateral lower lobes , without concerning focal consolidation or pleural effusion . There is no pneumothorax . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
No radiopaque foreign body to suggest a retained PICC fragment .