Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view of the chest has been obtained with patient in sitting upright position . Comparison is made with the next preceding similar study of ___ . Comparison of the images demonstrates that the patient previously tilted significantly backwards resulting in superposition of heavy breast shadows on the lung bases . The on previous examination expressed concern for possible infiltrates in the lung bases can not be confirmed . Heart size is unchanged and mild degree of cardiac enlargement is present . Within the heart shadow , one can identify calcifications related to the mitral ring . The pulmonary vasculature demonstrates an upper zone redistribution pattern , but there is no evidence of advanced interstitial alveolar edema and the lateral pleural sinuses remain free . An NG tube can be identified and is seen to reach well below the diaphragm including it s side port . The termination point of the line not included within the image field .
    OUTPUT:
    
NG tube reaches area of stomach .