Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were performed . The lung volumes are low , resulting in crowding of the bronchovascular structures . Within this limitation , there is no pleural effusion , pneumothorax or focal airspace consolidation . The cardiac and mediastinal contours are unchanged . Sternotomy wires and mediastinal clips are again noted .
    OUTPUT:
    
No acute cardiopulmonary process with low lung volumes .