Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ENDOTRACHEAL TUBE IS SEEN TERMINATING APPROXIMATELY A 4 CM ABOVE THE LEVEL THE CARINAL . THERE ARE LOW LUNG VOLUMES AND MILD BASILAR ATELECTASIS . NO FOCAL CONSOLIDATION , PLEURAL EFFUSION OR EVIDENCE OF PNEUMOTHORAX IS SEEN . CARDIAC AND MEDIASTINAL SILHOUETTES ARE UNREMARKABLE . LARGE AREA OF LUCENCY IS SEEN PROJECTING OVER THE RIGHT UPPER QUADRANT , PARTIALLY IMAGED , AND COULD BE DUE TO UNDERLYING FREE AIR . .
    OUTPUT:
    
ENDOTRACHEAL TUBE IN APPROPRIATE POSITION . LARGE AREA OF LUCENCY PROJECTING OVER THE RIGHT UPPER ABDOMEN , PARTIALLY IMAGED , WORRISOME FOR FREE AIR . NO PRIORS AVAILABLE FOR COMPARISON . PATIENT WITH REPORTED CT ( OSH ? ) SHOWING PNEUMOPERITONEUM