Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are present . There is bibasilar atelectasis . No focal consolidations are seen . There is no evidence of pneumothorax or pleural effusions . The heart is normal in size . There is no pneumoperitoneum . Visualized osseous structures are grossly intact .
    OUTPUT:
    
No acute intrathoracic process .