NCIt definition : A rare, slow-growing carcinoma characterized by the presence of malignant clear and
eosinophilic cells in a hyalinized stroma. It has been described in the salivary glands
and lung. Most cases are associated with translocation of EWSR1 and ATF1, resulting
in the formation of EWSR1-ATF1 fusion gene. The prognosis is good.;