Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low likely secondary to poor inspiratory effort . Atelectasis at the left lung base is noted . Widening of the cardiomediastinal silhouette silhouette is consistent with postsurgical changes . Small right pleural effusion is noted . Median sternotomy wires are intact . A right - sided central line terminates in the mid SVC . No evidence pneumothorax .
    OUTPUT:
    
1 . Left basilar atelectasis . 2 . Small right pleural effusion .