(95% CI, 17.2–54.8%) in 2009 (P = 0.0001) (Fig. 1). Lymph node sampling
was performed in 223 (46.8%) low-risk patients. Chemotherapy
was administered to 88 (56.1%) patientswho underwent lymphadenectomycompared
to 69 (44.0%) of thosewho did not have nodal sampling
(P= 0.004).