 In case of failure of the NOTES procedure, the patient will be treated either by surgery or by conventional endoscopy according to the usual techniques without loss of chance. The risk benefit ratio appears positive and a safety report will be issued after the first 4 inclusions. There will be no supplementary examination in patient follow-up in this study for which a CT iconography and biology are enough. The material used in the context of this work is consistent with the legislation on medical devices and has received CE Mark tissue apposition fully covered stent Axios . 