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Surgical Case Reports
Fig. 2 | Surgical Case Reports

Fig. 2

From: Nivolumab in combination with radiotherapy for metastatic esophageal neuroendocrine carcinoma after esophagectomy: a case report

Fig. 2

Histopathological analysis using hematoxylin and eosin and immunohistochemistry. a Esophageal neuroendocrine carcinoma with features of adenoid cystic-like carcinoma and squamoid pattern (magnification, × 4). b Tumor cells stained positive for synaptophysin (magnification, × 2). c Features of adenoid cystic-like carcinoma stained positive for cytokeratin 7 (magnification, × 4). d Features of squamoid pattern (magnification, × 20)

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