adenoma hyperplastic nodules
noun [ plural ] medical specialized uk/æd.ɪˌnəʊ.mə haɪ.pəˌplæs.tɪk ˈnɒdʒ.uːlz/ us/æd.ənˈoʊ.mə ˌhaɪ.pɚˈplæs.tɪk ˈnɑː.djuːlz/ (also adenomatous nodules); (hyperplastic nodules)
腺癌，增生性结节（通常为良性）
tumours that are formed by an unusual increase in thyroid tissue. They are benign (= not likely to cause death).