Fig. 2From: Prognostic factors of patients with left-sided obstructive colorectal cancer: post hoc analysis of a retrospective multicenter study by the Japan Colonic Stent Safe Procedure Research GroupKaplan-Meier curves presenting relapse-free survival rate in at risk patients with T3 or T4 depth of invasion (a) and that with N0 or N1-2 lymph node metastasis (b)Back to article page