Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral chest radiographs were obtained . Lung volumes are low . The lungs are clear . There is no nodule , consolidation , effusion , pneumothorax . Moderate to severe cardiomegaly is unchanged . The trachea remains deviated rightward .
    OUTPUT:
    
Stable cardiomegaly . No acute cardiopulmonary process .