Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac and mediastinal silhouettes are grossly stable with the cardiac silhouette remaining enlarged . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The mediastinal contours are stable . Calcifications are seen the aortic knob . Surgical clips are noted overlying the left lower hemi thorax .
    OUTPUT:
    
No acute cardiopulmonary process .