Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post left mastectomy with clips projecting over the left chest wall . A moderate - sized hiatal hernia appears to be present . Patient is slightly rotated , which accentuates the size of the cardiac silhouette which is likely within normal limits . The aorta demonstrates diffuse calcifications . There is mild pulmonary edema . No pleural effusion or pneumothorax is present . Linear opacity in the left lung base likely reflects atelectasis . No pneumothorax is present . There are no acute osseous abnormalities . Degenerative changes of the thoracic spine are again noted .
    OUTPUT:
    
1 . Mild pulmonary edema . 2 . Left basilar atelectasis .