Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated but remain clear without consolidation , effusion , or edema . Mild cardiac enlargement is noted as well as coronary artery stent . Median sternotomy wires and mediastinal clips are seen . The thoracic aorta is heavily calcified . Bones are diffusely demineralized .
    OUTPUT:
    
No acute cardiopulmonary process .