Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are large . There is no pleural effusion or pneumothorax . The heart size is normal . The cardiomediastinal contour is unremarkable other than a small amount calcification seen within the aortic arch . There is no focal consolidation to suggest pneumonia . Calcifications are also seen within the carotid arteries .
    OUTPUT:
    
No acute intrathoracic process .