Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are obtained . The cardiac and mediastinal silhouettes are stable with an unfolded calcified aorta and the cardiac silhouette top normal to mildly enlarged . There is mild bibasilar atelectasis . There is slight blunting of the right costophrenic angle that may be due to a trace pleural effusion . There is minimal pulmonary vascular congestion . No pneumothorax is seen .
    OUTPUT:
    
1 . Possible trace right pleural effusion . Bibasilar atelectasis and minimal pulmonary vascular congestion . Stable cardiomediastinal silhouette .