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Ann Arbor Staging System
Cotswold Modification
• Stage I : a single lymph node region
• Stage II : > 2 lymph node region,
same side of diaphragm
• Stage III : lymph node region,
2 sides of diaphragm
• Stage IV : diffuse, disseminated
• B signs : 1/3 of the children
– Fever > 38°C
– Recurrent night sweats
– Weight loss >10% (6 m.)
Stage I Stage II
Stage III Stage IV