Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Severe mediastinal widening is slightly improved . Moderate right pleural effusion is stable . Left base atelectasis is stable . There is no pneumothorax . The Swan - Ganz catheter terminates in the main pulmonary artery . A left IJ catheter terminates in the distal SVC . An enteric tube terminates in the stomach . An ET tube is appropriately positioned . Surgical ___ are again seen in the right axilla . The ECMO canula terminates in the cavoatrial junction .
    OUTPUT:
    
1 . Severe mediastinal widening is slightly improved . 2 . Moderate right pleural effusion is stable .