Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An NG tube is present --___ tip overlies the gastric fundus . The side port is not well delineated , but appears to overlie the lower mediastinum proximal to the GE junction . Heart size is at the upper limits of normal , not significantly changed compared with ___ . No CHF , focal infiltrate or effusion detected . Right upper lobe ground - glass opacity described on the ___ chest CT and right upper lobe nodule prior described on most recent prior chest x-ray are not definitively identified . No pneumothorax detected . No free air seen beneath the diaphragms .
    OUTPUT:
    
NG tube tip over gastric fundus . Side - port probably overlies the distal esophagus , proximal to the GE junction . No acute pulmonary process identified .