N1 Single lymph node metastasis, 2 cm or less in greatest dimension N1 Single regional lymph node metastasis in the true pelvis (hypogastric, obturator, external iliac or presacral lymph node) N2 ...
Homans, Drinker and Field 2 had shown, however, that exploration of the iliac lymphatics in patients with idiopathic lymphedema yielded clear evidence of fibrosis of the lymph nodes in that vicinity.
Expert Rev Anticancer Ther. 2013;13(11):1281-1295. The extended template comprises the standard package with the addition of presacral area, the proximal common iliac and aortic bifurcation.