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 similar study of ___ . The heart size remains unchanged and is within normal limits . No configurational abnormality is identified . Thoracic aorta unchanged and within normal limits . A right - sided Port - A - Cath system exists as before seen to terminate in the mid portion of the SVC . No pneumothorax is present . The pulmonary vasculature is not congested . No evidence of acute pulmonary infiltrates is present , and the pleural sinuses are free . No pneumothorax in the apical area .
    OUTPUT:
    
Stable chest findings . No evidence of cardiac enlargement , pulmonary congestion , or acute infiltrates .