Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Right chest wall Port - A - Cath is seen with its tip in the low SVC likely at the level of the cavoatrial junction . Lungs are hyperinflated secondary to known emphysema . No focal consolidation , large effusion or pneumothorax is seen . The cardiomediastinal silhouette appears stable . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
Emphysema without superimposed pneumonia . Port - A - Cath tip in the region of the cavoatrial junction .