Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest radiograph ___ at 14 :25 is submitted .
    OUTPUT:
    
Endotracheal tube has its tip 5 cm above the carina . Nasogastric tube is seen coursing below the diaphragm with the tip not identified . Cardiac and mediastinal contours are stable . Lungs are grossly clear . There is mild pulmonary venous hypertension but no overt pulmonary edema . No pneumothorax , although the sensitivity to detect pneumothorax is diminished given semi-erect technique .