<qa>  What is the name of the patient eligible to enter the surveillance protocol for 6 weeks after the date2. Patients who have undergone primary radiotherapy including chemoradiotherapy must have completed first response assessment 6-14 weeks after completion of radiotherapy. To be eligible, patients must be determined by the multidisciplinary team to without clear evidence of residual disease, without need of surgical consolidation, and appropriate to enter surveillance. Such patients are eligible to enter the surveillance protocol for 6 weeks after the date of first response assessment. Patients requiring surgical consolidation of the primary site andor neck are eligible following the consolidative surgery, provided benign findings or negative margins were attained. Such patients are eligible to enter the surveillance protocol for 6 weeks after the date of consolidative surgery. 