| TNM | primary tumor, regional nodes, metastasis [tumor staging]; thyroid node metastases; tumor node metas... |
|---|---|
| ORW | Osler-Rendu-Weber [syndrome] |
| OWR | Osler-Weber-Rendu [syndrome]; ovarian wedge resection |
| ROW | Rendu-Osler-Weber [syndrome]; rest of the world |