Just last week, thyroid tumors were reclassified and are no longer considered cancer. [http://www.nytimes.com/2016/04/15/health/thyroid-tumor-cance...]
From the article 'Instead of calling it “encapsulated follicular variant of papillary thyroid carcinoma,” they now call it “noninvasive follicular thyroid neoplasm with papillary-like nuclear features,” or NIFTP. The word “carcinoma” is gone.'.