Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung bases are relatively underpenetrated presumed due to overlying soft tissue . Bibasilar atelectasis is seen without definite focal consolidation . There is no pleural effusion or pneumothorax . The cardiac silhouette is top - normal . Mediastinal contours are unremarkable .
    OUTPUT:
    
Bibasilar atelectasis without definite focal consolidation .