Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The carina is difficult to identified definitively but the ET tube is approximately 1 .5 cm from its expected location . Low lung volumes are noted with secondary crowding of the bronchovascular markings . There is no confluent consolidation . Prominence of the mediastinum is may be due to portable technique and low lung volumes . No acute osseous abnormalities identified .
    OUTPUT:
    
Endotracheal tube tip approximately 1 .5 cm from the carina .