Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . Tortuosity of the descending aorta is stable . The hila are also stable in appearance . There is no pleural effusion or pneumothorax . Lungs are hyperexpanded with flattened hemidiaphragms , consistent with emphysema . There is no focal consolidation concerning for pneumonia . There is no pulmonary edema . Irregularity of the left mid lateral ribcage is likely due to prior fractures . Moderate degenerative changes throughout the thoracic spine are noted . The upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .