Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP supine chest film with additional images centered over the upper abdomen dated ___ at 15 :30 is submitted .
    OUTPUT:
    
Interval placement of nasogastric tube with tip coursing below the diaphragm and projecting over the stomach . Endotracheal tube with tip approximately 4 cm above the carina . Patchy opacities in the right upper and mid lung less apparent on the current study . Interval appearance of patchy retrocardiac opacity which could reflect atelectasis or possibly pneumonia or aspiration . Clinical correlation is advised . No evidence of pulmonary edema . Overall cardiac and mediastinal contours are likely stable .