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Figure 3: Medium-power magnification of an H and E-stained section of case No. 20 shows a mature cystic teratoma containing the foci of well-differentiated adenocarcinoma (black arrow) as well as poorly-differentiated mucinous adenocarcinoma (black arrow heads). The black hollow arrow demonstrates the benign columnar epithelium. The black asterisk signs indicate the pool of extracellular mucin

Figure 3: Medium-power magnification of an H and E-stained section of case No. 20 shows a mature cystic teratoma containing the foci of well-differentiated adenocarcinoma (black arrow) as well as poorly-differentiated mucinous adenocarcinoma (black arrow heads). The black hollow arrow demonstrates the benign columnar epithelium. The black asterisk signs indicate the pool of extracellular mucin