Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An ET appears in good position , about 4 .7 cm above the carina . NG tube courses throughout the mediastinum but appears to be coiled on itself and ___ the esophagus possibly line within a hiatal hernia might explain the rounded retrocardiac opacity and . This needs to be readjusted . The There is a left - sided subclavian line in good position . There are bilateral opacities slightly worse on the left side . No good evidence of pulmonary edema . No significant interval change from the prior study
    OUTPUT:
    
No significant interval change . Support hardware in good position . Bilateral opacities