Outline the Ann Arbor clinical staging system for Hodgkin’s disease.- Stage I: Single lymph node or extralymphatic site
- Stage II: Two or more lymph node regions on the same side of the diaphragm or nodal involvement with a contiguous extralymphatic site
- Stage III: Nodal involvement on both sides of the diaphragm, with or without a contiguous extralymphatic site
- Stage IV: Multiple extralymphatic tissue sites, with or without nodal involvement
- A: Absence of B symptoms
- B: Presence of B symptoms (fevers, drenching night sweats, or >10% weight loss over past 6 months)
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