Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest is compared to previous exam from ___ . Lower lung volumes are seen on the current exam . Dual - lumen central venous catheter via right subclavian vein is in stable position . New left IJ line is seen with tip projecting slightly superiorly , potentially within the azygos vein . There is thin sliver of lucency at the left lung apex which could be projectional and due to overlying sheet however small pneumothorax is not completely excluded and repeat exam is suggested . Cardiomediastinal silhouette is stable notable for dense mitral annular calcifications . Osseous structures are stable noting degenerative changes at the left shoulder .
    OUTPUT:
    
1 . New left IJ line with tip projecting superiorly , potentially within the azygos vein . 2 . Lucency projecting over the left lung apex , potentially artifactual however small pneumothorax is not completely excluded and repeat exam is suggested . Findings were discussed with Dr . ___ at 4 : 15 p .m . on ___ over the phone by Dr . ___ ___ minutes after time of discovery .