Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Diffuse , bilateral , extensive parenchymal opacities with air bronchograms persist and are minimally changed from the prior exam when accounting for interval improved lung volumes . Elevation of the right hemidiaphragm persists . No large pleural effusion . No pneumothorax . The heart is normal in size . The descending thoracic aorta is tortuous and ectatic , unchanged . Dextroconvex scoliosis of the thoracolumbar spine is moderate with associated distortion of thoracic cage .
    OUTPUT:
    
Improved lung volumes with minimally improved extensive bilateral parenchymal opacities .