Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the previous radiograph , there is no relevant change . The lung volumes continue to be normal . Minimal atelectasis at both lung bases . Symmetrical apical bilateral thickening . Moderate cardiomegaly is present but otherwise the cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No acute cardipulmonary process .