1. Case Report: Significant Efficacy of Pyrotinib in the Treatment of Extensive Human Epidermal Growth Factor Receptor 2-Positive Breast Cancer Cutaneous Metastases: A Report of Five Cases
   Nan Wang et al, 2021, Frontiers in Oncology CrossRef
2. Cutaneous metastasectomy: Is there a role in breast cancer? A systematic review and overview of current treatment modalities
   Samantha Huang et al, 2022, Journal of Surgical Oncology CrossRef
3. Is the skin a sanctuary for breast cancer cells during treatment with anti-HER2 antibodies?
   Vincenzo Graziano et al, 2015, Cancer Biology & Therapy CrossRef
4. Diagnosis, investigation, and treatment of occult breast cancer: A case report and systematic review of the literature
   Nora Trabulsi et al, 2024, Current Problems in Cancer: Case Reports CrossRef