Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is mild bibasilar atelectasis . No definite focal consolidation . There is no pleural effusion or pneumothorax . The cardiac silhouette is top normal to mildly enlarged . The aorta is calcified and tortuous .
    OUTPUT:
    
Top normal to mildly enlarged cardiac silhouette . No focal consolidation worrisome for pneumonia .