Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable chest radiograph demonstrates no evidence of pneumothorax . There is a stable large right layering pleural effusion as well as bibasilar atelectasis . No focal opacification concerning for pneumonia identified . Heart , mediastinal , and hilar borders are unremarkable . There is a left - sided PICC line with tip at the cavoatrial junction as well as a right - sided venous sheath catheter terminating in the upper SVC .
    OUTPUT:
    
No pneumothorax . Stable right large pleural effusion .