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Computed Tomography (CT) is a gold standard method of body composition analysis. In cancer populations CT scans are readily available as they form an important part of the staging of cancer. However due to the exposure to radiation their use in body composition assessment is limited to those scans that are already available. Multi-frequency bioelectrical impedance analysis (BIA) is a cheap, portable method of body composition analysis in widespread use. However, to our knowledge BIA has not been compared to CT assessment of body composition in the scientific literature. The aim of this study was to compare multi-frequency BIA to the gold standard method of body composition by CT in a cohort of oesophageal cancer patients scheduled for major surgery. All patients scheduled for oesophagectomy for cancer underwent body composition assessment by multi-frequency BIA (BCM-Body Composition …