Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . The heart size is normal . No configurational abnormality is seen . Thoracic aorta and mediastinal structures are 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 internal jugular approach central venous line is noted ( Port - A - Cath system ) , seen to terminate overlying the right - sided mediastinal structures 2 cm below the level of the carina . This is compatible with the lower third of the SVC . Comparison is made with the next preceding similar study ___ ___ . The Port - A - Cath system was present already at that time . Acute pulmonary infiltrates or pulmonary congestion absent .
    OUTPUT:
    
Chest findings within normal limits . Unchanged position of Port - A - Cath system .