Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest is compared to previous exam from ___ . Again , there is elevation of the right hemidiaphragm . Blunting of the right lateral costophrenic angle may be due to atelectasis versus small effusion . Left lung is clear , noting that the costophrenic angle is excluded from the field of view . There is no pneumothorax . Cardiomediastinal silhouette is within normal limits . New left - sided central catheter is seen ; however , the tip projects over the upper mediastinum on the left . Anterior cervical fixation hardware is identified .
    OUTPUT:
    
Left - sided central catheter with tip projecting over the upper mediastinum on the left . The exact location of which is indeterminate on this study ; however , please see subsequent CT scan for additional detail .