Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube is in appropriate position ending approximately 4 .3 cm above the carina . Cardiomediastinal silhouette is unchanged . There is no pneumothorax or pleural effusion . There is no focal lung consolidation . No acute osseous abnormality is seen .
    OUTPUT:
    
Appropriate positioning of endotracheal tube .