Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP semi-erect chest film ___ at 00 :42 is submitted .
    OUTPUT:
    
Endotracheal tube continues to have its tip at the thoracic inlet . The right internal jugular central line terminates in the distal SVC . A nasogastric tube is seen coursing below the diaphragm with the tip projecting over the stomach . Overall cardiac and mediastinal contours are likely stable despite patient rotation on the current study . Lungs appear grossly clear . Biapical calcifications consistent with postinflammatory changes . Overall cardiac and mediastinal contours are stable . No pulmonary edema or pneumothorax . No large effusions .