Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are mildly decreased . The heart is mildly enlarged , and there is moderate central pulmonary vascular congestion and mild pulmonary edema . A small left pleural effusion is noted . Bibasilar airspace opacities may represent dependent edema , or potentially a superimposed infectious process .
    OUTPUT:
    
1 . Mild cardiomegaly and mild pulmonary edema with a small left pleural effusion . 2 . Bibasilar airspace opacities may reflect edema , aspiration , or potentially superimposed infection .