Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . The lungs are clear without consolidation , effusion , pulmonary vascular congestion or pneumothorax . Cardiomediastinal silhouette is unchanged noting median sternotomy wires and mediastinal clips . Vascular stents within a venous bypass graft are again noted . The descending thoracic aorta is tortuous . Orthopedic hardware seen in the proximal right humerus . No definite acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process .