Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view of the chest has been obtained with patient in sitting semi-upright position . Analysis is performed in direct comparison with the next preceding similar study dated ___ . During the interval the patient has been extubated . Previously described left subclavian approach central venous line remains in unchanged position . A right internal jugular approach central venous line has apparently been removed . No pneumothorax has developed . The previously identified triangular - shaped atelectasis in the right upper lobe area is resolving . Some hazy densities remain in the area . Heart size is not enlarged and there is no pulmonary vascular congestion . Previously described diffuse mostly interstitial changes in the left lung which apparently represent the transplant , remain unchanged . No pneumothorax on either side .
    OUTPUT:
    
Extubated , unchanged central venous line positions Resolving atelectasis in right upper lobe area .