Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is pulmonary vasculature indistinctness compatible mild pulmonary edema . Cardiomediastinal silhouette is at the upper limits of normal . There is no evidence of pneumothorax or pleural effusions . Endotracheal tube tip is 4 .5 cm from the carina , in standard position , and an enteric tube tip is in the stomach .
    OUTPUT:
    
Mild pulmonary edema . Standard positioning of the endotracheal and NG tubes .