Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Elevation of the left diaphragm is chronic with adjacent left basilar atelectasis . The cardiac and mediastinal contours are unchanged with the heart size within normal limits . Right lung is hyperinflated . Streaky atelectasis is also present within the right lower lobe . Pulmonary vasculature is not engorged . No pleural effusion or pneumothorax is present . There are mild degenerative changes seen in the thoracic spine .
    OUTPUT:
    
Chronic elevation of the left hemidiaphragm with bibasilar atelectasis . No pleural effusion .