Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable upright AP radiograph of the chest . A double - lumen catheter terminating near the cavoatrial junction in stable position . There is a new right IJ terminating in the right atrium . Lung volumes remain low . The cardiomediastinal silhouette and hilar contours are stable . There is no cardiomegaly . Pulmonary vascularity is normal and symmetric . There is no frank pulmonary edema . Plate - like atelectasis at the bases persists but is improved . There is no new focal airspace consolidation . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
New right IJ terminates in the right atrium . Slight improvement in bibasilar atelectasis , otherwise no significant change from the prior study .