A total of 25 selected indicators including gender, age, tumor size, multifocality, BRAFV600E mutation, aspect ratio, tumor location (left/right/isthmus/bilateral), tumor location (upper/middle/lower), tumor boundary, tumor margin, calcification inside the tumor, echogenicity capsular relation, and blood flow of the tumor, and the lymphadenopathy, margin, cortex, lymphatic hilum, calcification, blood flow of the lymph nodes as well as the serum thyroid antibodies and the Tg levels of the PTC patients with HT at the initial screening prior to the thyroidectomy. Here, TG is linked to neoplasm.