Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Persistent opacity in the right upper paramediastinal area . The extrapulmonary lesion along the costal surface of the right mid lung appears smaller , but this may be secondary to projection . The left lung is clear . Elevated left hemidiaphragm unchanged . No pulmonary edema or pleural effusion .
    OUTPUT:
    
Persistent right upper paramediastinal density and right extra pulmonary lesion . A CT chest may be performed for better characterization . No new areas of airspace consolidation .