Neck Dissection Via a Robot-assisted Transaxillary Approach in Patients With Squamous Cell Carcinoma of the Epi-larynx

Inclusion Criteria: * Cancer of the epi-larynx: (i) ranked T1 or T2 in the TNM classification, (ii) supraglottic or glotto-supraglottic location, (iii) CN0 nodal status * Absence of distant metastasis (M0) * Decision for unilateral endoscopic axillary neck dissection at lymph node levels IIa, III and IV of the Robins classification is retained in a multidisciplinary meeting * The patient is available for 12 months of follow-up * The patient must have given his/her informed and signed consent * The patient must be insured or beneficiary of a health insurance plan Exclusion Criteria: * Patient participating in or having participated in another study within the previous 3 months or currently in an exclusion period determined by a previous study * Adult under judicial protection or any kind of guardianship * Refusal to sign the consent * It is impossible to correctly inform the patient * The patient is pregnant, parturient, or breastfeeding * Preoperative diagnosis of a second location of cancerous disease * Body Mass Index \> 25 * History of cervical spine surgery * History of instability of the cervical spine * History of surgery in the shoulder or pre-pectoral region * History of ipsilateral neck surgery * History of cervical radiotherapy * History of breast implants