Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a new nodular opacity in the right upper lung . This lesion was not present in ___ . The lungs are otherwise clear . The heart size is normal , and the cardiac , hilar , and mediastinal contours are within normal limits . There is mild elevation of the right hemidiaphragm , unchanged .
    OUTPUT:
    
New pulmonary nodular opacity . Given this patient 's history of melanoma , this is concerning for metastatic disease and CT - Chest is recommended . Findings were added to the critical results dashboard by ___ at 3 :27 p .m . on ___ .