Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are slightly low . Heart size is normal . The aorta is mildly tortuous . Mediastinal and hilar contours are otherwise unremarkable . Pulmonary vasculature is normal . Minimal atelectasis is demonstrated in the lung bases without focal consolidation . No pleural effusion or pneumothorax is present . No acute osseous abnormalities are detected .
    OUTPUT:
    
Low lung volumes with mild bibasilar atelectasis . No focal consolidation .