Hodgkin's Lymphoma Staging: Ann Arbor Classification
| Stage | Criteria |
|---|---|
| Stage I | Single lymph node region or extra-lymphatic site |
| Stage II | ≥2 lymph node regions on same side of diaphragm |
| Stage III | Lymph node regions on both sides of diaphragm |
| Stage IV | Disseminated disease |
| >1 extra-lymphatic organ ± lymph node involvement | |
| Substages: | A Asymptomatic |
| B Fever, night sweats, ≥10% weight loss |