Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is an NG tube which courses below the diaphragm , however the tip is not visualized on this image . There is a right IJ with the tip in the cavoatrial junction . The bilateral perihilar airspace opacities appear unchanged . Heart size is stable . The mediastinal and hilar contours are stable . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
1 . Appropriate positioning of NG tube and right IJ . 2 . Unchanged bilateral perihilar airspace opacities , likely reflecting pulmonary edema .