Extended Lymphadenectomy
Probability of Survival
pN 0
0.6
0.8
1.0
pN 1
Roviello F, et al. Eur J Surg Oncol. 2010;36(5):439-446.
Time After Operation, months
0.0
0.4
0
12
24
36
48
60
0.2
pN 2
pN 3
M1a