Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . There is a band of atelectasis in the right lower lung . No consolidation concerning for pneumonia . No large effusion or pneumothorax . The heart is top - normal in size . Mediastinal contour is normal . Bony structures are intact .
    OUTPUT:
    
No acute intrathoracic process . Please refer to subsequent CTA chest for further details .