Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are normal . The lungs are clear . There no pleural effusion , pneumothorax or focal airspace consolidation . The heart is top - normal in size , however , there is no evidence of pulmonary edema . The mediastinal and hilar contours are unremarkable . Retrosternal fullness is unchanged from ___ . Sternotomy wires , mediastinal clips and coronary stents are appreciated .
    OUTPUT:
    
No acute cardiopulmonary process .