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Breast neoplasms

There are many types of breast neoplasms,which can be divided into the following broad over simplified categories as a starting point.

Intralobular and interlobular refer to the terminal duct lobular unit (TDLU).

Although many of the epithelial lesions / changes listed below are neoplastic, they are best thought of as neoplasms at increased risk and along a continuum with normal breast at one end and invasive carcinoma at the other.

Pathology

Risk factors

Subtypes

Malignant tumours 

Adenocarcinoma: accounts for 99% of breast cancer.

Others

Benign tumours

See also

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