Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are fully expanded and clear . There is a trace right pleural effusion . No left pleural effusion or pneumothorax . Moderate cardiomegaly appears increased compared to ___ years prior . No pulmonary vascular congestion or pulmonary edema . Cardiomediastinal hilar silhouettes are unremarkable .
    OUTPUT:
    
Trace right pleural effusion . No parenchymal opacities to suggest pneumonia .