Type of neck dissection | Number of patients with neck dissection (N = 24) | Number of patients with positive lymph node (N = 6) |
Central neck lymph nodes dissection | 19 | 1 |
Selective neck lymph nodes dissection | 1 | 1 |
Rt Modified neck lymph nodes dissection | 3 | 3 |
Lt Modified neck lymph nodes dissection | 1 | 1 |