Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube in appropriate position . Nasoenteric tube enters the stomach . Compared to prior radiograph , there is improved aeration of the lungs bilaterally . Lung volumes remain low with bibasilar opacities , left greater than right . Heart size is normal . Mediastinal contour is unremarkable . Surgical clips noted within the right upper quadrant . No acute osseous abnormality . Severe levoconvex scoliosis of the lumbar spine .
    OUTPUT:
    
Endotracheal tube in appropriate position . Improved aeration of the lungs compared to outside hospital chest radiograph .