Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is moderate to severely enlarged with a globular configuration for which true cardiomegaly , pericardial effusion , or a combination of both could be considered . The lungs appear clear . There are no pleural effusions or pneumothorax . Surgical clips project over the right upper quadrant . Mild - to - moderate degenerative changes are present along the thoracic spine .
    OUTPUT:
    
Marked cardiomegaly . No evidence of acute disease .