Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a new 1 .5 cm nodule within the left lower lobe , abutting the heart border on the AP view . The lungs are otherwise clear . There is no effusion , or pneumothorax . There is unchanged hyperexpansion of the lungs . The cardiac silhouette is unchanged in size , top normal . A left pectoral pacemaker is unchanged in appearance , with a single ventricular lead remaining intact .
    OUTPUT:
    
New 1 .5 cm nodule in the left lower lobe , in a patient with history of melanoma is concerning for metastasis . Findings were discussed with ___ at 9 : 40 a .m . by phone .