Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal contour is unremarkable . Within the left upper lobe there is a 1 .9 x 2 .8 cm rounded opacity concerning for a mass . Left hilum is enlarged concerning for left hilar lymphadenopathy . Right hilum is normal . The pulmonary vasculature is normal . No focal consolidation , pleural effusion or pneumothorax is seen . The lungs are hyperinflated . No acute osseous abnormalities detected .
    OUTPUT:
    
1 .9 x 2 .8 cm rounded opacity in the left upper lobe concerning for neoplasm . Enlargement of the left hilum is also worrisome for hilar lymphadenopathy . Further assessment with chest CT with contrast is recommended .