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. Author manuscript; available in PMC: 2018 Sep 11.
Published in final edited form as: JCO Precis Oncol. 2018 Jul 23;2018:10.1200/PO.18.00037. doi: 10.1200/PO.18.00037

Figure 2.

Figure 2

Histology of select cases. A: Case 2, adenocarcinoma with solid growth pattern, diffuse neuroendocrine differentiation, and signet ring cells. Inset, high magnification. B: Case 1, poorly differentiated adenocarcinoma, with solid and single-cell growth patterns. C: Case 4, mucinous adenocarcinoma. Case 6 had similar histology (not shown). D: Case 8, squamous cell carcinoma. E: Case 11, neuroendocrine carcinoma with well-differentiated morphology and increased mitotic activity (left) and high power (middle).