Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were obtained . The lungs are well expanded and clear . There is minimal left basilar linear atelectasis . Blunting of the right costophrenic angle is a chronic finding . There is no focal consolidation effusion or pneumothorax . Median sternotomy wires are intact . The mitral valve ring projects over stable position in the chest .
    OUTPUT:
    
No acute cardiopulmonary process .