2019 WHO乳腺上皮源性肿瘤分类
Benign epithelial proliferations and precursors良性上皮增生和前驱病变
Usual ductal hyperplasia 普通型导管上皮增生
Columnar cell lesions, including flat epithelial atypia柱状细胞病变，包括扁平上皮非典型
Atypical ductal hyperplasia非典型导管增生
Adenosis and benign sclerosing lesions腺病和良性硬化性病变
Sclerosing adenosis硬化性腺病
8401/0 Apocrine adenoma大汗腺腺病
Microglandular adenosis微腺腺病
Radial scar / complex sclerosing lesion放射状瘢痕/复杂性硬化性病变
Adenomas腺瘤
8211/0 Tubular adenoma NOS小管腺瘤
8204/0 Lactating adenoma泌乳性腺瘤
8503/0 Duct adenoma NOS导管腺瘤非特指型
Epithelial-myoepithelial tumours 上皮肌上皮肿瘤
8940/0 Pleomorphic adenoma多形性腺瘤
8983/0 Adenomyoepithelioma NOS腺肌上皮瘤非特指型
8983/3 Adenomyoepithelioma with carcinoma腺肌上皮瘤伴癌
8562/3 Epithelial-myoepithelial carcinoma上皮肌上皮癌
Papillary neoplasms乳头状肿瘤
8503/0 Intraductal papilloma导管内乳头状瘤
8503/2 Ductal carcinoma in situ, papillary乳头状导管原位癌
8504/2 Encapsulated papillary carcinoma包裹性乳头状癌
8504/3 Encapsulated papillary carcinoma with invasion 包裹性乳头状癌伴浸润
8509/2 Solid papillary carcinoma in situ原位实性乳头状癌
8509/3 Solid papillary carcinoma with invasion实性乳头状癌伴浸润
8503/3 Intraductal papillary adenocarcinoma with invasion导管内乳头状腺癌伴浸润
Non-invasive lobular neoplasia非浸润性小叶性肿瘤
Atypical lobular hyperplasia 非典型小叶增生
8520/2 Lobular carcinoma in situ NOS小叶原位癌非特指型
Classic lobular carcinoma in situ经典型小叶原位癌
Florid lobular carcinoma in situ旺织性小叶原位癌
8519/2 Lobular carcinoma in situ, pleomorphic.多形性小叶原位癌
Ductal carcinoma in situ (DCIS)导管原位癌
8500/2 Intraductal carcinoma, non-infiltrating, NOS导管内癌，非浸润性，非特指
DCIS of low nuclear grade低级别核导管原位癌
DCIS of intermediate nuclear grade中级别核导管原位癌
DCIS of high nuclear grade高级别核导管原位癌
Invasive breast carcinoma浸润性乳腺癌
8500/3 Infiltrating duct carcinoma NOS 浸润性导管癌非特指型
8290/3 Oncocytic carcinoma嗜酸细胞癌
8314/3 Lipid-rich carcinoma富于脂质癌
8315/3 Glycogen-rich carcinoma 富于糖原癌
8410/3 Sebaceous carcinoma 皮脂腺癌
8520/3 Lobular carcinoma NOS 小叶癌非特指
8211/3 Tubular carcinoma小管癌
8201/3 Cribriform carcinoma NOS筛状癌非特指
8480/3 Mucinous adenocarcinoma黏液性癌
8470/3 Mucinous cystadenocarcinoma NOS黏液性囊性癌非特指
8507/3 Invasive micropapillary carcinoma of breast 浸润性微乳头状癌
8401/3 Apocrine adenocarcinoma大汗腺腺癌
8575/3 Metaplastic carcinoma NOS化生性癌非特指
Rare and salivary gland-type tumours少见和涎腺型癌
8550/3 Acinar cell carcinoma腺泡细胞癌
8200/3 Adenoid cystic carcinoma腺样囊性癌
Classic adenoid cystic carcinoma 经典型腺样囊性癌
Solid-basaloid adenoid cystic carcinoma 实性基地样腺样囊性癌
Adenoid cystic carcinoma with high-grade transformation
腺样囊性癌伴高级别转化
3502/3 Secretory carcinoma分泌性癌
8430/3 Mucoepidermoid carcinoma粘液表皮样癌
8525/3 Polymorphous adenocarcinoma多形态腺癌
8509/3 Tall cell carcinoma with reversed polarity高细胞癌伴极向反转
Neuroendocrine neoplasms神经内分泌肿瘤
8240/3 Neuroendocrine tumour NOS神经内分泌肿瘤非特指
8240/3 Neuroendocrine tumour, grade 1 神经内分泌肿瘤1级
8249/3 Neuroendocrine tumour, grade 2神经内分泌肿瘤2级
8246/3 Neuroendocrine carcinoma NOS神经内分泌癌非特指
8041/3 Neuroendocrine carcinoma, small cell 小细胞神经内分泌癌
8013/3 Neuroendocrine carcinoma, large cell大细胞神经内分泌癌