Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Analysis is performed in direct comparison with the next preceding portable chest examination of ___ . The heart size is normal . No configurational abnormality is identified . Thoracic aorta unremarkable . The pulmonary vasculature is not congested . No signs of acute or chronic parenchymal infiltrates are present and the lateral and posterior pleural sinuses are free . A right - sided wide caliber double - lumen line has been introduced via the internal jugular vein approach and its tip reaches the upper third of the right atrium . No pneumothorax is seen on either side . Skeletal structures of the thorax quite unremarkable .
    OUTPUT:
    
Wide caliber double - lumen catheter terminating in upper portion of right atrium . Otherwise , chest findings within normal limits .