Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild bibasilar atelectasis . No definite infiltrate . No CHF , focal consolidation , pleural effusion , or pneumothorax . Heart size is borderline . The mediastinal silhouette is within normal limits for age . Mild elevation of the right hemidiaphragm is present . Degenerative changes are noted at the right shoulder , not fully evaluated .
    OUTPUT:
    
Bibasilar atelectasis . No definite infiltrate and no focal consolidation .