Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . The mediastinal and hilar contours appear within normal limits . The chest is hyperinflated . There are no pleural effusions or pneumothorax . The lungs appear clear . Mild compression deformities are noted among at least four upper thoracic vertebral bodies . These are age - indeterminate , although without features to suggest that they are likely to be recent .
    OUTPUT:
    
Mild cardiomegaly . No evidence of acute cardiopulmonary disease . Several upper thoracic compression deformities , age - indeterminate .