Collision Tumor of Endometrial Large Cell Neuroendocrine Carcinoma and Low-Grade Endometrial Stromal Sarcoma: A Case Report and Review of the Literature:

Large cell neuroendocrine carcinoma (LCNEC) of the endometrium is an exceedingly rare histologic subtype of endometrial cancer (0.8%). These tumors are highly aggressive with a propensity for metas...