Table 2

TNM staging
T2 T3 T4a Total
N0 0 2 2 4
N1 0 0 1 1
N2a 0 1 1 2
N2b 2 1 0 3
N2c 4 2 2 8
Total 6 6 6 18

TNM, tumor–node–metastasis.

Oertel et al.

Oertel et al. BMC Cancer 2012 12:483   doi:10.1186/1471-2407-12-483

Open Data