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Figure 5: A standard LND comprises lymph nodes removed from the obturator fossa and the external iliac artery (region marked on the left side of pelvis). An extended LND comprises nodes from the external iliac artery and vein, obturator fossa, and medial and lateral to the internal iliac artery (region marked on the right side of pelvis). (IVC=inferior vena cava, AO=aorta, CIA=common iliac artery, CIV=common iliac vein, IIA=internal iliac artery, IIV=internal iliac vein, EIA=external iliac artery, EIV=external iliac vein.)

Figure 5: A standard LND comprises lymph nodes removed from the obturator fossa and the external iliac artery (region marked on the left side of pelvis). An extended LND comprises nodes from the external iliac artery and vein, obturator fossa, and medial and lateral to the internal iliac artery (region marked on the right side of pelvis). (IVC=inferior vena cava, AO=aorta, CIA=common iliac artery, CIV=common iliac vein, IIA=internal iliac artery, IIV=internal iliac vein, EIA=external iliac artery, EIV=external iliac vein.)