Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged with a left ventricular predominance . The mediastinal contours unremarkable . Lung volumes are low with crowding of bronchovascular structures . There is likely mild pulmonary edema . Patchy opacities within the lung bases may reflect areas of atelectasis though infection is not excluded in the correct clinical setting . No large pleural effusion or pneumothorax is present . No definite subdiaphragmatic free air is seen . There are no acute osseous abnormalities . Clips and common bile duct stent are seen in the right upper quadrant of the abdomen .
    OUTPUT:
    
Low lung volumes with patchy bibasilar opacities , possibly atelectasis , but infection is not excluded in the correct clinical setting . Mild pulmonary edema .