Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube terminates 5 .6 cm above the carina . There is no pleural effusion or pneumothorax . Cardiomediastinal silhouette is within normal size and unchanged . Previously seen upper lobe opacity is not visualized on this exam and likely was crowding of pulmonary vessels .
    OUTPUT:
    
1 . ET tube terminates 5 .6 cm above the carina . 2 . Previously seen upper lobe opacity is not visualized on this exam , and likely was crowding of pulmonary vessels .