Case Subside TN Stage Neck levels involved
1 Larynx T4N0 I-V
2 Tonsil T4N2c I-V
3 Larynx T4N1 I-V
4 Base of tongue T2N0 I-IV
5 Hypopharynx T3N0 I-V
6 Nasopharynx T2N0 I-IV
7 Larynx T3N1 I-IV
8 Tonsil T1N2b II
9 Base of tongue T2N2b II-III
10 Base of tongue T1N2b III-V
11 Tonsil T3N2a II
12 Pharyngeal wall T3N0 none
Table 1: Selected patients and tumor characteristics.