Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , pleural effusion or pneumothorax . Cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities are identified . Enteric tube extends to the body of the stomach . Endotracheal tube appears to terminate at the carina , although subsequent radiograph shows that it is approximately 4 cm above the carina .
    OUTPUT:
    
1 . Clear lungs . 2 . Endotracheal tube appears to terminate at the carina , although subsequent radiograph shows that it is approximately 4 cm above the carina .