Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to ___ at 21 : 11 , a thin tube overlying the upper mediastinum has been retracted -- it previously overlay the lower mediastinum and now lies at the level of the carina . Clinical correlation is requested . ET tube , NG tube , and right IJ line are unchanged . There is slight the patient rotation on the current film . Allowing for this , again seen are extensive bilateral pulmonary opacities , overall quite similar to the earlier film . However , the right hemidiaphragm is slightly better defined on today 's exam , which could indicate very slight interval improvement . The cardiomediastinal silhouette is obscured by the parenchymal infiltrates . No pneumothorax detected .
    OUTPUT:
    
1 . Extensive pulmonary opacities are overall similar , with possible minimal improvement at the right base . 2 . Change in position of the thin tube overlying the mediastinum --___ see comment above . Clinical correlation is requested .