Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are relatively low lung volumes . There is persistent blunting of the costophrenic angle suggesting trace pleural effusions . Minimal bibasilar atelectasis is seen . There is no focal consolidation or pneumothorax . The cardiac and mediastinal silhouettes are stable and unremarkable .
    OUTPUT:
    
Low lung volumes with persistent blunting of the costophrenic angles may be due to trace pleural effusions . Minimal bibasilar atelectasis .