Burkitt Lymphoma

Grading / Staging / Report

Stage I	A single extranodal tumor or single anatomic nodal area, except mediastinum or abdomen
Stage II	A single extranodal tumor with regional node involvement Two or more nodal areas on the same side of the diaphragm Two single extranodal tumors with or without regional node involvement ond the same side of the diaphragm Primary GI tumor, with or without involvement of associated mesenteric nodes only
Stage IIR	Completely resected abdominal disease
Stage III	Two single extranodal tumors above and below the diaphragm Two or more nodal areas above and below the diaphragm All primary intrathoracic tumors All extensive primary intra-abdominal disease
Stage IIIA	Localized but non-resectable abdominal disease
Stage IIIB	Widespread multiorgan abdominal disease
Stage IV	Any of above with initial CNS and/or bone marrow involvement (25%)

Diebold et al. in Jaffe et al. eds, WHO Classification of Tumours 2001

Diagnosis in the World Health Organization (WHO) classification
- Equivalent diagnosis in other classifications used by relevant clinicians
Results of supplementary studies if performed
Relationship to other specimens from the same patient
Information relevant to staging if available