Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The lungs are hyperinflated . Linear scarring at the lung bases is unchanged . There is no focal consolidation , pleural effusion or pneumothorax . Heart size is top normal . Mediastinal silhouette and hilar contours are normal . There is no free air under the right hemidiaphragm . There is persistent wedging of a lower thoracic vertebral body .
    OUTPUT:
    
No acute intrathoracic process .