Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An NG tube is present , the tip and side port overlie the gastric fundus . The stomach is not distended . However , some gas - filled loops of small bowel are seen in the visualized portion of the upper abdomen , distended but not frankly dilated . Increased density along the ascending colon likely represents residual oral contrast . No free air is seen beneath the diaphragms . The right hemidiaphragm is minimally elevated . The heart is not enlarged . There is upper zone redistribution , but no overt CHF . No focal infiltrate or effusion . Slightly low inspiratory volumes noted .
    OUTPUT:
    
NG tube tip and side port overlie the gastric fundus .