Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . The lung volumes are reduced . The cardiomediastinal silhouette is unremarkable . There is no evidence of pneumonia , effusion or pneumothorax . There are degenerative changes of the thoracic spine .
    OUTPUT:
    
No evidence of pneumonia or other acute intrathoracic process . Degenerative changes of the thoracic spine .