What dose/fractionation would you use to treat a papillary thyroid cancer with bulky cervical adenopathy and laryngeal invasion with impending airway obstruction that is refusing laryngectomy and surgical management?

I have encountered this situation at times and assuming the patient has a tracheostomy and there is no way to convince them to undergo the recommended surgery, I have offered definitive radiation therapy. I have treated a number of patients with 70/63/56 Gy in 35 fractions ensuring coverage of level...