Xifeng Xu Biography Publications JoVE Articles Xifeng Xu has not added a biography. If you are Xifeng Xu and would like to personalize this page please email our Author Liaison for assistance. Publications Estrogen Receptor-negative/progesterone Receptor-positive and Her-2-negative Breast Cancer Might No Longer Be Classified As Hormone Receptor-positive Breast Cancer International Journal of Clinical Oncology. Jul, 2022 | Pubmed ID: 35397755 Competing Nomogram for Late-Period Breast Cancer-Specific Death in Patients with Early-Stage Hormone Receptor-Positive Breast Cancer Clinical Breast Cancer. 04, 2022 | Pubmed ID: 34627728 A Case Report: Cutaneous Metastasis of Advanced Rectal Cancer with BRAF Mutation OncoTargets and Therapy. 2021 | Pubmed ID: 33603403