TNM Number of  patients Stage         
T2 N1 M0 1 patient IIA
T2 N2 M0 2 patients IIB
T3 N2 M0 4 patients IIIA
T3 N2 M1 1 patient IV
T3 N3 M1 1 patient IV
T4b N2 M0 1 patient IIIC
T4b N2 M1 1 patient IV
T4a N3 M0 6 patients IIIC 
T4a N3 M1 2 patients IV
Table 5: TNM stages of patients.