Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Heart size is mildly enlarged . Mediastinal contours appear similar . There is mild pulmonary edema with small bilateral pleural effusions . Bibasilar patchy opacities likely reflect areas of atelectasis . No pneumothorax is demonstrated . Osseous structures are diffusely demineralized without definite acute abnormality .
    OUTPUT:
    
Low lung volumes with mild pulmonary edema and small bilateral pleural effusions . Patchy bibasilar airspace opacities likely reflect atelectasis .