After Pregnancy, Patient Develops Breast Nodule

Poll

A 32-year-old woman, who had recently delivered a baby, develops a nodule in her left breast. A biopsy is obtained. What is your diagnosis?

A 32-year-old woman, who had recently delivered a baby, develops a nodule in her left breast. A biopsy is obtained.

Based on the image shown, what is your diagnosis?

A. Ductal carcinoma in situ
B. Lobular carcinoma in situ
C. Lactating adenoma
D. Sclerosing adenosis