This Intermediate Level course takes a look at the histological features of the different types of breast pathologies, including various benign and cancerous lesions.

At the completion of this course the reader will be able to:

1. Discuss the impact that histopathology plays in patient treatment.
2. Compare the different types of tissue collection methods.
3. Explain the different 'chemical testing' that can be done on breast biopsies, such as, estrogen and progesterone receptor and HER2 status.
4. Compare and contrast the nine benign breast lesions listed in the article.
5. Discuss breast neoplasms, such as, fibroadenoma.
6. Recall the basics of breast cancer.
7. Compare and contrast the 20 different types of breast cancer discussed in this article.