Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The hilar and mediastinal contours are unremarkable . The NG tube is seen in appropriate position , in the distal stomach , well below the diaphragm . Again also seen is the 2 .3 - cm left lower lobe pulmonary nodule which is better evaluated on the prior CT . No other focal opacities are identified in the lung . The visualized osseous structures are unremarkable .
    OUTPUT:
    
Appropriate NG tube positioning in the distal stomach .