SMN1 and thyroid gland spindle cell tumor with thymus-like differentiation: The literature from India, South Korea, and Brazil shows that SETTLE usually shows expressions for CK, S-100, SMA, BCL2, and CD99 and negative expression for EMA, CEA, CK19, calcitonin, thyroglobulin, and chromogranin immunohistochemical stains [1,2,12].