Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs . The cardiomediastinal silhouette is within normal limits . No chf , focal infiltrate , pleural effusion , or pneumothorax detected . Mild degenerative changes noted the thoracic spine , with slight wedging of a midthoracic vertebral body , which is unlikely to be acute .
    OUTPUT:
    
No acute cardiopulmonary process detected .