Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright chest film ___ at 04 : 10 is submitted
    OUTPUT:
    
The patient is markedly rotated limiting evaluation of the cardiac and mediastinal contours . However , given this limitation , the right hilar region is prominent raising concern for either prominent pulmonary arteries versus lymphadenopathy . The pulmonary edema has improved . Right hemidiaphragm is now elevated and there are streaky opacities at the right base likely reflecting atelectasis . No pneumothorax .