Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Median sternotomy wires and mediastinal clips are unchanged in position . Pleural thickening at the right lung apex is unchanged . A curvilinear opacity in the left and right lower lobes are similar to prior study and likely represents scarring given their stability since ___ . There is a cluster of calcifications just below the right hilum , unchanged . There are no focal consolidations . There is no pleural effusion or pneumothorax . The mediastinal contours are normal .
    OUTPUT:
    
No acute cardiopulmonary process .