Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear with no evidence of a consolidation , effusion , or pneumothorax . There is moderate cardiomegaly with suggestion of right ventricular and left atrial enlargement . The remainder of the mediastinal structures are normal . No acute fractures are identified .
    OUTPUT:
    
Moderate cardiomegaly with suggestion of right ventricular and left atrial enlargement . Further characterization by ECHO is recommended , if not performed previously .