Benedikt Westphalen, MD, Ludwig-Maximilians-University (LMU) Hospital, Munich, Germany, comments on the current state of liquid biopsies for gastrointestinal cancers. Whilst questions remain regarding the precise timing of their use in the clinic, there is emerging evidence that they are beneficial in detecting genomic alterations. There is additional evidence that adjuvant chemotherapy can now be administered based on minimal residual disease (MRD) status in patients with colorectal cancer. This interview took place at the European Society for Medical Oncology (ESMO) 2023 Congress in Madrid, Spain.
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