Figure 2From: Ex vivo localization and immunohistochemical detection of sentinel lymph node micrometastasis in patients with colorectal cancer can upgrade tumor stagingKaplan-Meier curves of disease-free survival in 54 patients ( n =3 in group N0(i+), n =28 in group N0, and n =22 in group N+). Breslow estimation method was used to test differences in disease-free survival among groups.Back to article page