Table 4.

Regional node stations by primary tumour site. Disease with involvement of other lymph nodes than those specified in the table should be classified as stage IV

Anatomical site		Node station
Extremity	Lower extremity	Inguinal, femoral, popliteal nodes (rare)
	Upper extremity	Axillary, brachial, epitrochlear, and infraclavicular nodes
Genitourinary	Bladder, prostate, cervix, uterus, paratesticular	Pelvic, retroperitoneal nodes at renal artery level or below
	Vagina	Retroperitoneal, pelvic nodes at or below common iliac inguinal nodes
	Vulva	Inguinal nodes
Thoracic	Intrathoracic	Internal mammary, mediastinal nodes
Retroperitoneum/pelvis		Pelvic, retroperitoneal nodes
Trunk	Abdominal wall	Inguinal, femoral nodes
	Chest wall	Axillary, internal mammary, and infraclavicular nodes
Other	Biliary	Liver hilar nodes
	Perianal/perineal	Inguinal, pelvic nodes (may be bilateral)