Template:Radiation Oncology/Head & Neck/Node staging-7thEd

  • NX - Cannot be assessed
  • N0 - No regional lymph nodes metastasis
  • N1 - Single ipsilateral lymph node, <= 3cm in greatest dimension
  • N2
    • N2a - Single ipsilateral lymph node, 3-6 cm in greatest dimension
    • N2b - Multiple ipsilateral lymph nodes, <= 6cm in greatest dimension
    • N2c - Bilateral or contralateral lymph nodes, <= 6cm in greatest dimension
  • N3 - Lymph node(s) >6 cm in greatest dimension