Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a right internal jugular central venous catheter with the tip terminating at the level of the mid to lower SVC . The course of the line is unremarkable . There is unchanged elevation of the right hemidiaphragm . Right basilar atelectasis is again seen . Blunting of the left costophrenic angle may represent a small left pleural effusion . No pneumothorax is detected . The cardiac silhouette is incompletely evaluated but appears enlarged . The mediastinal contours are within normal limits . There is prominence of the main pulmonary artery suggesting underlying pulmonary hypertension . Calcification of the aortic knob is noted .
    OUTPUT:
    
Right internal jugular central venous catheter with tip in the mid-to - low SVC . No pneumothorax .