based on these results , we advocate ipsilateral or total thyroidectomy for palpably suspicious thyroid glands seen intraoperatively , subglottic tumors , glottic tumors with more than 1 cm of subglottic extension , t4 endolaryngeal tumors with transcartilaginous invasion , and t4 pyriform sinus tumors .
C0193788
total thyroidectomy
C0040132
thyroid glands