@if (parentNode !== null && navigationService.position() === "left") {
  <ion-item [routerLink]="parentNode.routerLink.baseString" button lines="none" [detail]="false">
    <ion-icon color="primary" name="chevron-back"></ion-icon>
    <ion-label color="primary">{{ parentNode?.label }}</ion-label>
  </ion-item>
}