Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate unremarkable cardiomediastinal and hilar contours . Lungs are clear . No pleural effusion or pneumothorax identified . Minimal multilevel degenerative change evident with complete sclerosis and joint space narrowing in the mid thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary process .