The authors concluded that the combination of the circulating tumor DNA (ctDNA) and protein markers was superior to any single marker. Moreover, the combination detected nearly two-thirds of pancreatic cancers that had no evidence of distant metastasis at the time of surgical resection. The strategy may represent an approach to detect cancers of many types at an earlier stage.
Source: Combination Liquid Biopsy Diagnoses Early Cancer – Pathology – Labmedica.com