The cells in the center of the ducts with comedocarcinoma are often necrotic and calcify, as shown here.
，
有粉刺癌的导管中心区细胞常为坏死性与钙化的。
The cells in the center of the ducts with comedocarcinoma are often necrotic and calcify, as shown here.
，有粉刺癌的导管中心区细胞常为坏死性与钙化的。
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