Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided AICD is seen with lead extending to the expected positions of the right atrium , right ventricle , and coronary sinus . A right internal jugular central venous catheter is seen , terminating in the low SVC , without evidence of pneumothorax . No focal consolidation is seen . There is mild left base atelectasis without definite pleural effusion . The cardiac silhouette is mildly enlarged . Mediastinal contours unremarkable . Patient is status post median sternotomy and CABG .
    OUTPUT:
    
Right transjugular central venous catheter terminates in the low SVC without evidence of pneumothorax . Cardiomegaly . No pulmonary edema .