Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , no significant change . Bibasilar atelectasis is stable . Small bilateral pleural effusions are unchanged . Unchanged left retrocardiac opacity concerning for left lower lobe collapse . Median sternotomy wires in place . The lung volumes are normal . Normal size of the cardiac silhouette . Normal hilar and mediastinal structures . No pneumonia , no pulmonary edema . No pneumothorax .
    OUTPUT:
    
No significant interval change from ___ . Unchanged bibasilar atelectasis with small pleural effusions . Persistent left lower lobe collapse .