Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An NG tube tip and sidehole are positioned within the lower esophagus . A feeding tube remains in place below the diaphragm , though its tip is not seen . A tracheostomy tube is unchanged in position . A left IJ approach central venous catheter tip is positioned within the distal left brachiocephalic vein . Lung volumes remain adequate , there is minimal bibasilar atelectasis , slightly improved . Small bilateral effusions are unchanged . Pulmonary vasculature appears normal . The cardiac silhouette , mediastinal contours are normal .
    OUTPUT:
    
1 . NG tube tip and sidehole within the lower esophagus , which could place the patient at risk for aspiration , and should be advanced . 2 . Unchanged to slightly improved bibasilar atelectasis with adequate lung volumes .