Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Severe enlargement of the cardiac silhouette appears unchanged . The mediastinal and hilar contours are similar . There is no pulmonary edema . Bibasilar airspace opacities are not substantially changed in the interval . A small left pleural effusion is likely present . No pneumothorax is detected . No acute osseous abnormality is visualized .
    OUTPUT:
    
No substantial interval change from prior chest radiograph performed earlier in the day with continued bibasilar airspace opacities , potentially atelectasis , but infection is not completely excluded in the correct clinical setting . Probable small left pleural effusion . No pulmonary edema .