HER2(-Low) Expression on Circulating Tumor Cells and Corresponding Metastatic Tissue in Metastatic Breast Cancer. - Tretschock, Lara M.; Clemente, Hannah; Smetanay, Katharina; Fremd, Carlo; Thewes, Verena; Haßdenteufel, Kathrin; Scholz, Anna S.; Pantel, Klaus; Riethdorf, Sabine; Trumpp, Andreas; Schneeweiss, Andreas; Michel, Laura; et al. (Oncology Research & Treatment, 2025)