Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild decrease in the small left pleural effusion is seen . The cardiomediastinal and hilar contours are stable , with chronic severe cardiomegaly . No pneumothorax , consolidation or pulmonary edema is detected . Left chest wall AICD device is seen with leads in the expected position of the right atrium and right ventricle . Mild compression of multiple thoracic vertebral bodies , is unchanged since the earlier study of ___ .
    OUTPUT:
    
Mild decrease in the small left pleural effusion . Stable chronic cardiomegaly .