Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval insertion of an NG tube with the tip in the body of the stomach in good position . Mild improvement of the mild interstitial pulmonary edema and stable mild cardiomegaly . Extensive calcifications of the aortic arch . No focal consolidation , pneumothorax or pleural effusions .
    OUTPUT:
    
NG tube in good position . Interval improvement of mild interstitial pulmonary edema .