Post on 26-May-2015
T Primary tumour
TX Primary tumour cannot be assessed
TO No evidence of primary tumour
Tis Carcinoma in situ
T1 Tumour 2cm or less in greatest dimension
T2 Tumour >2cm but <4cm
T3 Tumour >4cm in greatest dimension
T4 Tumour invades adjacent structures
N Regional lymphnodes
NX Regional lymphnodes cannot be assessed
NO No regional lymphnode metastasis
N1 Metastasis in a single epsilateral lymphnode 3cm or less in greatest dimension
N2 Metastasis in single or multiple ipsilateral or bilateral lymphnodes
N2a • Metastasis in single ipsilateral lymphnode >3cm but <6cm
• Multiple ipsilateral lymphnodes <6cm• Bilateral lymphnodes <6cm
N2b Metastasis in multiple ipsilateral lymphnodes <6cm
N2c Metastasis in bilateral lymphnodes <6cm
N3 Metastasis in lymphnodes >6cm
M Distant metastasis
MX Presence of distant metastasis cannot be assessed
MO No distant metastasis
M1 Distant metastasis