Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are unremarkable . The pulmonary vasculature is not engorged . Again seen within the right lower lobe is an approximately 2 cm rounded mass , perhaps slightly larger compared to the prior CT and new from the prior chest radiograph , and compatible with metastasis . Remainder of the lungs are clear . No focal consolidation , pleural effusion or pneumothorax is seen . Mild to moderate degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
Re - demonstration of right lower lobe pulmonary metastasis , perhaps larger compared to the prior CT . No radiographic evidence for pneumonia .