{Reference Type}: Case Reports {Title}: Anaplastic thyroid cancer with prolonged survival. Report of a clinical case. {Author}: Herranz-Antolín S;Sánchez-Cendra C;Romo-Gonzales JE;García Gil JM;De la Fuente-Escobar JP;Rosell-Cernevilla A; {Journal}: Endocrinol Diabetes Nutr (Engl Ed) {Volume}: 70 {Issue}: 3 {Year}: 03 2023 {Factor}: 1.833 {DOI}: 10.1016/j.endien.2023.03.010