Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiograph from ___ , there has been interval placement of a right IJ central venous catheter which terminates in the mid SVC . There is no definite pneumothorax . Lung volumes have decreased accentuating the cardiac silhouette and bronchovascular structures . There has been interval obliteration of the left hemidiaphragm which may be related to a combination of low lung volumes and to atelectatic changes at the left lung base . No new focal consolidations are identified .
    OUTPUT:
    
Right IJ central venous catheter terminates in the mid SVC . No pneumothorax .