Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate well expanded lungs . Left apical postsurgical scarring is less conspicuous on this study . The cardiomediastinal and hilar contours are on changed . No pleural effusion , consolidation , or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process .