在乳腺癌中，一些组织学类型的癌和化生有关。它们有两种情况，一是来自于乳腺固有上皮的化生（如鳞状上皮或大汗腺化生），二是在乳腺癌发生发展的过程中出现了组织和细胞类型的转化（如间叶成分的化生）。本文主要对这类乳腺癌的形态学诊断问题进行讨论，旨在从另一个侧... In breast cancer, some histological types of cancer are related to metaplasia. They have two kinds of conditions, one is the metaplasia of the intrinsic epidermis of the breast (such as squamous epithelium or apocrine metaplasia), and the second is the transformation of tissues and cell types (such as mesenchymal) during the development of breast cancer. Metabolism of ingredients). This article mainly discusses the morphological diagnosis of this type of breast cancer and aims to look at the other side...