Page 14 - Sentinel lymph node biopsy in oral cavity cancer - Inne J. den Toom

Chapter 1 Table 2. Staging of patients according to the TNM classification Stage 0 Stage I Stage II Stage III Stage IVA Stage IVB Stage IVC Tis T1 T2 T3 T1, T2, T3 T4a T1, T2, T3, T4a Any T T4v Any T N0 M0 N0 M0 N0 M0 N0 M0 N1 M0 N0, N1 M0 N2 M0 N3 M0 Any N M0 Any N M1 Figure 1. Neck levels. 10 Level I Level II Level III Level IV Level V Level VI Level VII Submental region (Ia), submandibular region (Ib) Subdigastric region; anterior (IIa), and posterior from accessory nerve (IIb) Midjugular region Low jugular region Posterior triangle Prelaryngeal and pre- and paratracheal region Superior mediastinal nodes 12