Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded and clear . No focal consolidation , effusion , edema , or pneumothorax . Elevation of the left hemidiaphragm is overall unchanged . Cardiomediastinal contours are unchanged . The descending thoracic aorta is slightly tortuous and / or ectatic , unchanged . Multi - level degenerative changes of the thoracic spine appear overall similar to the prior exam .
    OUTPUT:
    
No acute cardiopulmonary process .