Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided port catheter terminates in the low SVC . The mediastinal contours are within normal limits . The heart is normal in size . There is a small to moderate left pleural effusion and adjacent atelectasis . Please note underlying pneumonia difficult to exclude . There is a rounded nodular opacity seen in the right lower lobe , consistent with known pulmonary metastasis measuring 2 .6 cm , characterized on prior CT . The opacity is seen projecting over the thoracic spine on the lateral view . There is no evidence of pneumothorax . Surgical clips are noted in the left axilla .
    OUTPUT:
    
1 . Right lower lobe lung metastatic nodule redemonstrated . 2 . Small to moderate left effusion with subjacent atelectasis , can not exclude pneumonia . 3 . Port - A - Cath in place with tip in the low SVC .