Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is moderate to severely enlarged with a globular configuration . The right costophrenic sulcus is not entirely imaged posteriorly , but there is no evidence for pleural effusion . There is no pneumothorax . The lungs appear clear . Mild degenerative changes are noted along the thoracic spine .
    OUTPUT:
    
Cardiomegaly . No evidence of acute disease .