Prognostic value of K-ras mutation status and subtypes in endoscopic ultrasound-guided fine-needle aspiration specimens from patients with unresectable pancreatic cancer.

Abstract excerpt

BACKGROUND: Although recent reports indicate that K-ras mutation status is a biomarker that acts as a prognostic factor, only a few analyses of K-ras mutation subtypes have been published. In addition, there are no reports that analyze overall survival and prognostic factors according to K-ras mutation status and subtypes in only unresectable pancreatic cancer (PC) determined from tissues obtained by endoscopic...

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