A novel genomic instability-derived lncRNA signature to predict prognosis and immune characteristics of pancreatic ductal adenocarcinoma
BackgroundPancreatic ductal adenocarcinoma (PDAC) is a highly aggressive malignant tumor of the digestive system.Its grim prognosis is mainly attributed to the lack of means for early diagnosis and poor response to treatments.Genomic instability is shown to be an important cancer feature and prognostic factor, and its pattern and extent may be asso