Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tip of the left internal jugular Swan - Ganz catheter extends to the left lower lobe of pulmonary artery . The endotracheal tube projects over the mid thoracic trachea and a gastric tube extends into the gastric body . The tip of the left PICC line projects over the cavoatrial junction . There is a retrocardiac opacity which likely reflects a combination of atelectasis and pleural fluid . No definitive right pleural effusion is identified . No pneumothorax . The size and appearance of the cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
The tip of the left transjugular Swan - Ganz catheter projects over the left lower lobe pulmonary artery . A retrocardiac opacity is again present likely reflecting combination of atelectasis and pleural fluid .