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. 2020 Feb 28;27(1):1073274820904042. doi: 10.1177/1073274820904042

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© The Author(s) 2020

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 1. — Pancreatic adenocarcinoma. A, Endoscopic ultrasound-guided with fine-needle aspiration of pancreatic mass; high magnification shows tridimensional cluster of malignant cells with marked variation in nuclear size that are positive for malignancy and compatible with adenocarcinoma (Pap-stained smear, original magnification ×600). B, Histological examination of the pancreatectomy specimen in low magnification showing medium-sized glands with haphazard growth embedded in dense desmoplastic stroma, all characteristic findings of pancreatic adenocarcinoma (hematoxylin-eosin, original magnification ×40). C, Higher magnification showing glands composed of malignant cells with marked variation in nuclear size, disorderly arrangement of nuclei, irregular nuclear membranes, and mitosis (hematoxylin-eosin, original magnification ×400). D, Adenocarcinoma wrapping a nerve; perineural invasion is another common feature in this tumor (hematoxylin-eosin, original magnification ×200).