Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate normal heart size . The patient is status post median sternotomy , CABG and mitral valve repair . The cardiomediastinal silhouette and hilar contours are unchanged . The lungs are clear . There is no evidence of pulmonary vascular congestion . No pleural effusion or pneumothorax . No displaced rib fracture identified .
    OUTPUT:
    
No evidence of pulmonary vascular congestion or consolidation . No acute cardiopulmonary process .