Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior film , the ET tube is been retracted and now lies approximately 2 .9 cm above the carina . Again seen is an NG tube , with tip extending beneath diaphragm , off the film . Also again seen is a right IJ central line , with tip over distal SVC near SVC / RA junction . No pneumothorax is detected . There is patchy opacity at the left lung base , consistent with atelectasis and / or consolidation . This may be very slightly improved compared 1 day earlier . Minimal atelectasis at the right base medially is also seen . There is probable minimal upper zone redistribution , without overt CHF .
    OUTPUT:
    
ET tube retracted and now in satisfactory position above the carina . Possible minimal improvement in left base opacity .