Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Port - A - Cath is again seen , residing over the right chest wall with catheter tip extending into the low SVC or cavoatrial junction . Lung volumes are low which limits the evaluation . Scattered opacities in the lungs are similar to the prior CT and likely represent metastasis seen on prior CT . It is impossible to exclude a subtle superimposed pneumonia . No large effusion or pneumothorax is seen . Bony structures appear grossly intact . Cardiomediastinal silhouette is difficult to assess .
    OUTPUT:
    
Similar pattern to bilateral lung opacities which represents known metastatic disease . Impossible to exclude superimposed subtle pneumonia .