DICER1 and thyroid cancer, nonmedullary, 2: Besides these benign lesions, thyroid entities such as non-invasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP), invasive encapsulated follicular variants of papillary thyroid cancer (IEFVPTC), PTC, and FTC are also associated with germline and somatic DICER1 mutations (3, 4).