Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild to moderate cardiomegaly is noted , improved compared to the previous study . Mediastinal and hilar contours are normal . Lungs are clear . No focal consolidation , pleural effusion or pneumothorax is demonstrated . No acute osseous abnormalities seen . Splenic shadow is absent .
    OUTPUT:
    
No acute cardiopulmonary abnormality .