Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is mildly rotated to the right . The right internal jugular vein introducer sheath is in appropriate position in the upper superior vena cava . Mild cardiomegaly is stable . Overall there is decreased perihilar opacities and interstitial markings consistent with interval improvement but persistent mild pulmonary edema . There is no pneumothorax or large pleural effusion . Aortic calcifications are noted .
    OUTPUT:
    
1 . Right internal jugular vein introducer sheath terminates in the upper superior vena cava . 2 . Mild pulmonary edema , improved from prior .