Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated with slight flattening of the bilateral diaphragms suggesting underlying mild COPD / emphysema . The lungs are clear without focal consolidation , pleural effusion or pneumothorax . The pulmonary vasculature is not engorged . The cardiomediastinal and hilar contours are within normal limits . There is mild calcification of the aortic knob . Levoconvex lumbar scoliosis is partially imaged .
    OUTPUT:
    
Hyperinflated lungs without focal consolidation concerning for pneumonia . No cardiomegaly .