Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ET tube appears in satisfactory position with the tip terminating 3 .6 cm above the carina . The left diaphragm is obscured , new since prior study which likely represents atelectasis . The right lung is clear . An enteric tube is partially visualized but the tip is not clearly identified . A left chest AICD and leads are in unchanged positions . Valvular prosthesis , mediastinal clips and median sternotomy wires are again noted .
    OUTPUT:
    
1 . Satisfactory position of the ET tube terminating 3 .6 cm above the carina . 2 . Obscuration of the left hemidiaphragm concerning for left lower lobe collapse , new since prior study .