Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube tip terminates approximately 4 .7 cm from the prior CT . Lung volumes are low . The heart size is normal . Mediastinal contour is unremarkable and the hilar contours are within normal limits . No pulmonary edema is identified . Hazy opacity is seen within the right upper and mid lung fields . Focal opacity is also seen within the retrocardiac region . No large pleural effusion or pneumothorax is seen . There is gaseous distention of the stomach . No acutely displaced rib fractures are noted .
    OUTPUT:
    
1 . Endotracheal tube tip in standard position . 2 . Hazy opacity within the right upper and mid lung fields which may reflect an area of aspiration or infection . Retrocardiac opacity may reflect atelectasis but an additional site of infection is not excluded . 3 . Gaseous distention of stomach .