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. Author manuscript; available in PMC: 2024 Jul 1.
Published in final edited form as: Am J Surg Pathol. 2023 May 1;47(7):756–765. doi: 10.1097/PAS.0000000000002045

Figure 2:

Figure 2:

Mixed gastro-intestinal type mucinous and endometrioid carcinoma (MO-1). (A) Low-magnification image showing spatial relationship of both components, with scattered benign cortical inclusion cysts; (B) endometrioid carcinoma component, (C) invasive glands floating in pools of mucin in a background of mucinous borderline tumor (inset: another invasive focus). Immunohistochemical stains for (D) PR, (E) CK20 and (F) ARID1A (inset: high magnification of boxed area highlights loss of ARID1A expression in the cortical inclusion cyst epithelium).