Thursday, 28 June 2007

Staging lymph nodes

(Note lymph node measurement is in greatest dimesion, not short axis)

N1: Single ipsilateral node, < 3cm
N2a: Single ipsilateral node 3-6 cm
N2b: Multiple ipsilateral nodes, none > 6 cm
N2c: Contralateral or bilateral nodes, none > 6 cm
N3: Node > 6 cm

References:
AJCC Cancer staging handbook. 6th Edition. Springer