Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post CABG . There has been interval removal of a Swan - Ganz catheter , endotracheal tube , orogastric tube , mediastinal drain and left - sided chest tube . Lung volumes are decreased , accentuating the bronchovascular structures and cardiac silhouette . Despite this , the heart is enlarged . There is bibasilar atelectasis . No significant pneumothorax identified in this portable chest radiograph . No large pleural effusion identified . Surgical sutures are seen in the right upper lobe .
    OUTPUT:
    
No large pleural effusion or pneumothorax .