Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild blunting of the bilateral costophrenic angles is unchanged compared to prior examination and is likely secondary to chronic pleural thickening . Post - surgical changes from prior rib resections from the right upper chest wall appear stable . Adjacent mild right upper lobe pleural thickening is stable . The lungs are clear without confluent consolidation . There is no pneumothorax . No pulmonary edema is identified . Cardiomediastinal and hilar contours appear within normal limits .
    OUTPUT:
    
No acute cardiopulmonary process