Evolution of Estrogen Receptor Status from Primary Tumors to Metastasis and Serially Collected Circulating Tumor Cells.
Carina ForsarePär-Ola BendahlEric MobergCharlotte Levin Tykjær JørgensenSara JanssonAnna-Maria LarssonKristina AaltonenLisa RydénPublished in: International journal of molecular sciences (2020)
A shift in ER-status from PT to DM/CTCs was demonstrated. ER-positive CTCs during systemic therapy might reflect the retention of a favorable phenotype that still responds to therapy.