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. Author manuscript; available in PMC: 2022 Apr 1.
Published in final edited form as: Expert Opin Investig Drugs. 2021 Feb 23;30(4):377–388. doi: 10.1080/13543784.2021.1880564

Figure 2. Histological features of eCCA.

Figure 2.

A) Distal moderately differentiated cholangiocarcinoma arisen in the choledochus. The tumor extends into periductal soft tissues and shows diffuse peri-neural invasion (HE; original magnification 2x). B) Perihilar well differentiated cholangiocarcinoma (HE; original magnification 5x). The magnification in the lower right corner shows neoplastic glands lined by tall mucin-secreting cells (arrow) and immersed in a desmoplastic stroma (HE; original magnification 20x). C) Perihilar cholangiocarcinoma, papillary type (HE; original magnification 5x).