Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs remain hyperinflated . No focal consolidation , edema , effusion , or pneumothorax . The heart is normal in size . Mediastinal and hilar contours are normal and unchanged . Mild levoconvex scoliosis of the lower thoracic spine is unchanged . There is mild pectus excavatum .
    OUTPUT:
    
Hyperinflated lungs . No focal pneumonia or edema .