Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right internal jugular approach central venous catheter tip projects within the mid SVC . An endotracheal tube is in standard position with tip 4 .4 cm above the carina . An enteric feeding tube courses below the diaphragm out of field of view . Since the prior examination , there has been improvement in parenchymal opacification , likely related to edema / atelectasis . There are no new focal occurring parenchymal opacities concerning for pneumonia . Pulmonary vascularity is not increased . Since the prior examination , there are areas of hyperlucency demonstrated along the left lateral aspect of the mediastinum projecting over the mid aspect of the mediastinum and adjacent to the left main stem bronchus , for which the possibility of pneumomediastinum can not be excluded . Cardiomediastinal and hilar contours are otherwise stable . There is mild tortuosity of thoracic aorta . There are no pleural effusions or pneumothorax .
    OUTPUT:
    
Multiple areas of hyperlucency as detailed above projecting in the region of the mediastinum which raises the possibility of pneumomediastinum , for which patient must undergo chest CT for further evaluation . Findings were discussed with Dr . ___ ___ telephone by Dr . ___ at 10 :45 a .m . on ___ .