1. Intramammary Metastases from Extramammary Malignancies: An Update
   Cortlandt M. Sellers et al, 2023, Current Breast Cancer Reports CrossRef
2. Differentiating breast carcinoma with signet ring features from gastrointestinal signet ring carcinoma: assessment of immunohistochemical markers
   Yiang Hui et al, 2018, Human Pathology CrossRef
3. Merkel cell carcinoma, melanoma, metastatic mimics of breast cancer
   Megan L. Troxell, 2017, Seminars in Diagnostic Pathology CrossRef
4. Metastatic Neoplasms to the Breast
   Mine Özşen et al, 2024, International Journal of Surgical Pathology CrossRef