The method used a thyroid cancer-specific probe obtained by radiolabeling a purified and well-characterized mAb to galectin-3 amino-terminal epitope, with the long half-life positron emitter zirconium-89 (89Zr; t1/2 = 74.8 h, β+ = 22.6%). Here, LGALS3 is linked to thyroid gland carcinoma.