Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Dobhoff tube tip projects over the stomach . Thickened cavitating there mid upper abdomen . There is a small free air under the right hemidiaphragm . Persistent atelectasis in the right lower lobe . Bilateral pleural effusions , larger on the left as previously . Right central line projects over the cavoatrial juncture , possibly in the superior right atrium
    OUTPUT:
    
Dobhoff tube in the stomach . PICC line may be in the right atrium