Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable frontal chest radiograph was obtained with the patient in supine position . The ET tube has been advanced and the tip now terminates 3 .4 cm above the carina . The remaining support and monitoring devices are unchanged in position . Lung volumes remain low . An area of increased opacity is present in the right lung base . The cardiomediastinal silhouette and hilar contours are unchanged .
    OUTPUT:
    
1 . ET tube in appropriate position with the tip at 3 .5 cm above the carina . 2 . Increased opacity in the right lung base , likely reflective of atelectasis and bronchovascular crowding , but will require attention on followup radiographs .