Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Mild bibasilar atelectasis is seen . No focal consolidation is seen . There is no large pleural effusion or pneumothorax . Cardiac and mediastinal silhouettes are stable . Multilevel degenerative changes along the spine .
    OUTPUT:
    
Bibasilar atelectasis . No definite focal consolidation .