Can we trust tumour markers in pregnancy after breast cancer? A case of elevated CA 15-3 in the third trimester of pregnancy normalising after delivery

We realized a narrative review of the current literature starting from the case of a patient with raised CA15-3 during an uncomplicated pregnancy after breast cancer. The aim of our paper was to assess specificity, physiological changes and clinical utility of CA 15-3 monitoring during pregnancy after breast cancer, starting from clinical practice and retrieving the most relevant evidence in the...