Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided Port - A - Cath tip terminates in the low SVC . Heart size is normal . Mediastinal and hilar contours are unremarkable . Innumerable bilateral pulmonary nodules have progressed since the previous chest radiograph , and allowing for differences in technique , are not substantially changed from the previous CT where many were shown to be centrally cavitating . No focal consolidation , pleural effusion or pneumothorax is present . No acute osseous abnormality is detected .
    OUTPUT:
    
Innumerable pulmonary metastases , grossly unchanged from the previous CT . No new focal consolidation to suggest pneumonia .