Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were performed . There is no pneumothorax or pleural effusion . The cardiac silhouette is normal . There is no focal airspace consolidation to suggest pneumonia . There are mild degenerative changes of the thoracic spine . The mediastinum is unremarkable .
    OUTPUT:
    
No acute intrathoracic process .