Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest were obtained . The heart size is top normal . Mediastinal and hilar contours are stable . There is no pleural effusion or pneumothorax . There is no focal consolidation concerning for pneumonia . Stable multilevel degenerative changes of the thoracic spine are noted .
    OUTPUT:
    
No acute cardiopulmonary process .