Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube tip sits just beneath the level of clavicular heads , which is new from prior study . The heart size is large , but stable to prior exam . The mediastinal contours demonstrate calcified atherosclerotic disease of the aortic knob . A large calcified lymph node projects just right of midline . The interstitial markings of the lungs show minimally increased prominence as well as prominence of the pulmonary vasculature , compatible with mildly increased interstitial edema . There is no pneumothorax . No displaced rib fracture is apparent .
    OUTPUT:
    
Mild interstitial edema and endotracheal tube as described above .