Evaluation of the Contribution of Transoral Robotic-assisted Surgery Using Da Vinci Xi for Head and Neck Tumors

Inclusion Criteria: 1. Patient \>/= 18 2. WHO Status 0-2 3. ENT cancer or solid tumor histologically proven regardless histology 4. All maps of the head and neck and any stage 5. surgically resectable according to clinical examination and preoperative investigations, confirmed in multidisciplinary meeting 6. Treatment: * First-line * Or after induction chemotherapy * Or local recurrence regardless of the previous treatment * Or second location in irradiated 7. Transoral exposition of tumor, assessed preoperatively during endoscopy during the balance of extension of the lesion 8. The patient must have accepted the possibility of surgical conversion open surgery 9. The patient must have been clearly informed of the study and have formulated his non-opposition to participate Exclusion Criteria: 1. Metastasis (s) clinical or radiological remote, inaccessible (s) to a local curative treatment 2. post-treatment tumor progression and / or early recurrence \< 3 months 3. Unresectable tumor by robotic transorally: bone infiltration, deep infiltration of soft tissues, unresectable lymphadenopathy 4. Contraindications to the suspension for transoral tumor Exposure: Dental fragility against-indication for cervical extension 5. Pathology against intercurrent-indicating cancer surgery 6. Pregnancy 7. Inability to submit to medical monitoring study for geographical, social or psychological.