Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The cardiac silhouette is mildly enlarged . There is bibasilar atelectasis without definite focal consolidation . No large pleural effusion is seen . The mediastinal contours are stable , with the aorta calcified and somewhat tortuous .
    OUTPUT:
    
Enlarged cardiac silhouette and bibasilar atelectasis . No definite focal consolidation .