Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest film ___ at 04 :04 is submitted .
    OUTPUT:
    
Endotracheal tube , right internal jugular central line , and nasogastric tube are unchanged in position , although the tip of the nasogastric tube is not identified but the tube courses below the diaphragm . Overall cardiac and mediastinal contours are unchanged given differences in positioning . Right basilar atelectasis has slightly improved . No pleural effusions or pneumothorax . No pulmonary edema .