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. 2020 Jun 16;8:385. doi: 10.3389/fcell.2020.00385

FIGURE 4.

FIGURE 4

Graphs showing normalized intensity of the 28 significant metabolites according to (A) tumor size, (B) stages, and (C) lymph node metastasis (LNM) of PTC patients. Tumor staging was according to the American Joint Committee on Cancer (AJCC) Tumor-Node-Metastasis (TNM) staging system. PTC; papillary thyroid carcinoma.