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 . The heart is normal in size . The mediastinum is not widened . The thoracic aorta is tortuous , similar to the prior exam and CT from ___ . Bony structures appear intact . Rib deformities are unchanged .
    OUTPUT:
    
No acute intrathoracic process .