void UpdateStructureSetInTreeWidget(int index, clitk::DicomRT_StructureSet * s);
void AddRoiInTreeWidget(clitk::DicomRT_ROI * roi, QTreeWidget * w);
void UpdateStructureSetInTreeWidget(int index, clitk::DicomRT_StructureSet * s);
void AddRoiInTreeWidget(clitk::DicomRT_ROI * roi, QTreeWidget * w);