Diapositive 1

1633 / 1851

Nodal Assessment: TNM
 Nodal staging based on
number of involved nodes
 N0: No nodes
 N1: 1-3 regional nodes
 N1a 1 node
 N1b 2-3 nodes
 N1c tumour deposit
 N2: 4 or more nodes
 N2a 4-6 nodes
 N2b ≥7 nodes
Mesorectal node