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. 2023 Jun 15;53(9):764–773. doi: 10.1093/jjco/hyad062

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© The Author(s) 2023. Published by Oxford University Press. All rights reserved. For permissions, please e-mail: journals.permission@oup.com.

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Representative case of anaplastic undifferentiated carcinoma (UC). (A) Computed tomography (CT) showing a hypovascular tumour at the body of the pancreas with upstream main pancreatic duct dilatation. (B) Tissue sample obtained by endoscopic ultrasound-guided tissue acquisition showing neoplastic cells, necrosis with neutrophil infiltration. In the high-powered field, (C) pleomorphic mononuclear neoplastic cells admixed with bizarre-appearing giant cells with eosinophilic cytoplasm were present.