Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable frontal view of the chest was performed . A right internal jugular catheter is present with its tip terminating in the upper SVC . There is no pneumothorax or pleural effusion . The lungs are clear . The mediastinal contours are normal . The cardiac silhouette is mild to moderately enlarged but improved from ___ . The pleural surfaces are unremarkable .
    OUTPUT:
    
Satisfactorily positioned right internal jugular vein catheter without complications .