Fig. 2From: Negative lymph node count is an independent prognostic factor for patients with rectal cancer who received preoperative radiotherapyLog-rank tests of CSS comparing patients with NLNs (<9 VS ≥9) for (a) stage ypI: P = 0.008; (b) stage ypII: P < 0.001; and (c) stage ypIII: P <0.001Back to article page