Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Marked enlargement of the cardiac silhouette is present , not substantially changed in the interval . The aorta is unfolded , as seen previously . Mild pulmonary vascular congestion is worse compared to the previous chest radiograph with probable small left pleural effusion . Patchy opacities in the lung bases may reflect areas of atelectasis . No focal consolidation or pneumothorax is present . There are no acute osseous abnormalities detected .
    OUTPUT:
    
Marked cardiomegaly with mild pulmonary vascular congestion and small left pleural effusion . Probable bibasilar atelectasis .