Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable semi upright view of the chest . Endotracheal tube is seen with its tip residing 4 .6 cm above the carinal . The NG tube courses into the low left upper quadrant . VP shunt tubing courses over the right hemi thorax mild perihilar opacities could represent subtle aspiration . Otherwise the lungs are clear . No large effusion or pneumothorax . Cardiomediastinal silhouette is normal . Bony structures are intact .
    OUTPUT:
    
Mild perihilar opacities could reflect aspiration . Tubes positioned appropriately .