Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is difficult to assess given the presence of bilateral pleural effusions , moderate on the left and small on the right . Heart size is likely mildly enlarged . The aortic knob is calcified . There is evidence of mild pulmonary edema . Bibasilar airspace opacities likely reflect compressive atelectasis . No large pneumothorax is identified .
    OUTPUT:
    
Mild pulmonary edema with moderate left and small right pleural effusions and bibasilar atelectasis .