Allenson, K High prevalence of mutant KRAS in circulating exosome-derived DNA from early-stage pancreatic cancer patients. [electronic resource] - Annals of oncology : official journal of the European Society for Medical Oncology 04 2017 - 741-747 p. digital Publication Type: Journal Article ISSN: 1569-8041 Standard No.: 10.1093/annonc/mdx004 doi Subjects--Topical Terms: AdultAgedBiomarkers, Tumor--bloodCarcinoma, Pancreatic Ductal--bloodDNA, Neoplasm--bloodDisease-Free SurvivalEarly Detection of Cancer--methodsExosomes--geneticsFemaleHumansKaplan-Meier EstimateMaleMiddle AgedMutationPancreatic Neoplasms--bloodProportional Hazards ModelsProto-Oncogene Proteins p21(ras)--geneticsReal-Time Polymerase Chain Reaction