Ontology highlight
ABSTRACT:
SUBMITTER: Li S
PROVIDER: S-EPMC6494364 | biostudies-literature | 2019 Apr
REPOSITORIES: biostudies-literature
Li Shichao S Chen Li L Jiang Jun J
Medicine 20190401 16
<h4>Background</h4>Recently, the correlation of immunological checkpoint marker programmed cell death ligand-1 (PD-L1) and the prognosis of various cancers has been a research hotspot. The aim of this study is to examine the prognostic effect of PD-L1 in breast cancer.<h4>Methods</h4>PubMed, EMBASE, Web of Science, the Cochrane Library database were searched for eligible studies and additional hand-searching were reviewed as an augmentation. Pooled hazard ratios (HR) and 95% confidence interval ...[more]