Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . Again seen is an azygos fissure . Mild - to - moderate cardiomegaly is unchanged . There is no central venous congestion or pulmonary edema . No significant pleural effusions or pneumothorax .
    OUTPUT:
    
Stable cardiomegaly . No evidence of volume overload .