Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . Endotracheal tube is seen with tip approximately 4 cm from the carina . Enteric tube is seen passing below the inferior field of view , tip not visualized . The lungs are grossly clear . The cardiomediastinal silhouette is within normal limits . Contour irregularity of the medial aspect of the proximal left humerus is incompletely evaluated .
    OUTPUT:
    
Endotracheal and enteric tubes in appropriate position . Contour irregularity of the medial aspect of the proximal left humerus could be further assesses by nonurgent dedicated exam when feasible .