Prognostic value of circulating cell-free DNA in patients with pancreatic cancer: A systemic review and meta-analysis
Keywords: CfDNA; circulating cell-free DNA; CA19-9; carbohydrate antigen 19-9; CA242; carbohydrate antigen 242; ctDNA; circulating tumor DNA; ddPCR; droplet digital polymerase chain reaction; BEAMing; beads, emulsions, amplification, and magnetics; OS; overall