Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are stable , with the heart in the upper limits of normal . The lungs are well expanded . Bilateral diffuse ground - glass opacities and prominent interstitial markings in the right lung base , indicate mild - to - moderate pulmonary edema . A small right pleural effusion is present . There is no pneumothorax . No consolidation is identified to suggest pneumonia .
    OUTPUT:
    
Small right pleural effusion and mild - to - moderate pulmonary edema .