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