Additionally, 18 other cases were regarded as atypical by the contributing pathologist but did not meet inclusion criteria: now-recognized HMGA2-like morphology (n = 6), myoepithelial atypia (n = 4), myoepithelial carcinoma ex PA (n = 2), tumor not present/exhausted (n = 3), and other miscellaneous (n = 3). The gene discussed is HMGA2; the disease is neoplasm.