"stage I: involvement of a single lymph node region or a single extralymphatic organ or site"
"stage II: involvement of two or more lymph node regions on the same side of the diaphragm or localised involvement of an extralymphatic organ or site"
"stage III: involvement of lymph node regions or structures on both sides of the diaphragm"
"stage IV: diffuse or disseminated involvement of one or more extralymphatic organs, or either:"
"A: asymptomatic"
"B: presence of B symptoms (including fever, night sweats and weight loss of ≥10% of body weight over 6 months)"
"X: bulky nodal disease: nodal mass >1/3 of intrathoracic diameter or 10 cm in dimension"
"The Ann Arbor staging system was the landmark lymphoma staging classification system for both Hodgkin lymphoma and non-Hodgkin lymphoma. It is named after the town of Ann Arbor in the US state of Michigan where the Committee on Hodgkin's Disease Staging Classification met in 1971 to agree on it. It updated and replaced the earlier Rye staging system 2."
"A: asymptomatic"
"B: presence of B symptoms (including fever, night sweats and weight loss of ≥10% of body weight over 6 months)"
"S: splenic involvement"
Expected headings
"Staging system"
"involvement of the liver, bone marrow, pleura or cerebrospinal fluid"
"E: involvement of a single, extranodal site, contiguous or proximal to a known nodal site (stages I to III only; additional extranodal involvement is stage IV)"
"E: involvement of a single, extranodal site, contiguous or proximal to a known nodal site (stages I to III only; additional extranodal involvement is stage IV)"