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 ...
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.