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