Prediction of Cervical Lymph Nodes Metastasis in Papillary Thyroid Carcinoma (PTC) Using Nodal Staging Score (NSS)

Figure 2

NSS results of lymph node metastasis corresponding to different clinicopathological factors. (a) Patient’s gender; (b) patient’s age (age 45 and under 45; older than 45 years old); (c) extrathyroidal invasion; (d) multifocal tumor; (e) T stages in line with the 7th edition of AJCC staging (T1, T2, T3, and T4); (f) tumor size (less than 1 cm; between 1 cm and 2 cm; between 2 cm and 4 cm; larger than 4 cm).

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