DCIS	Breast ductal carcinoma in situ
MR	Mendelian randomization
GEO	Gene Expression Omnibus
DEGs	Differentially expressed genes
SNPs	Single-nucleotide polymorphisms
eQTL	Expression quantitative trait locus
GWAS	Genome-Wide association study database
GO	Gene ontology analysis
KEGG	Kyoto encyclopedia of genes and genomes analysis
CIBERSORT	Cell-type identification by estimating relative subsets of RNA transcripts
TME	Immune-related tumor microenvironment
IDC	Invasive ductal cancer
IVs	Instrumental variables
LD	Linkage disequilibrium
WIV	Weak instrumental variable
MRE	MR egger
WM	Weighted median
IVM	Inverse variance weighted
SM	Simple mode
OR	Odds Ratio
GSEA	Gene Set Enrichment Analysis
NES	Normalized enrichment score
NOM	Nominal
FDR	False discovery rate
HPA	Human Protein Atlas
siRNAs	Small interfering RNAs
qRT-PCR	Quantitative real-time PCR
BP	Biological process
CC	Cellular component
MF	Molecular function
TSG	Tumor suppressor gene
IBC	Invasive breast cancer