with columnar epithelium. In stroma, diffuse area of small to medium sized cells with little cytoplasm, grainy, with a ... of cervical neuroendocrine neoplasms, including small cell and large cell neuroendocrine carcinoma. Small cell neuroendocrine ... carcinoma, it could also be classified as an extrapulmonary small cell carcinoma . Extrapulmonary small cell carcinomas ...