Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The 2 dominant left mediastinal masses appear similar compared to the previous examinations . Heart size is normal . Hilar contours are unchanged . 1 cm nodule in the left lower lobe is compatible with known metastasis and is also unchanged . Minimal atelectasis is noted in the right lung base . No focal consolidation , pleural effusion or pneumothorax is seen . The pulmonary vasculature is normal . No acute osseous abnormalities present .
    OUTPUT:
    
No radiographic evidence for pneumonia . Unchanged left mediastinal masses and left lower lobe nodule compatible with metastases .