Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since prior , there has been interval placement of a right IJ central venous catheter ending in the high SVC . A nasoenteric tube tip is in the stomach . Median sternotomy wires are intact . Unchanged right Port - A - Cath ending in the low SVC . Unchanged cardiomediastinal silhouette . Lungs are clear .
    OUTPUT:
    
Appropriate positioning of monitoring support devices .