PRL and Cushing syndrome due to macronodular adrenal hyperplasia: The KEGG pathway enrichment analysis of differential metabolites showed six metabolic pathways with a p-value < 0.05 in positive ion mode, including steroid hormone biosynthesis, ovarian steroidogenesis, aldosterone synthesis and secretion, cortisol synthesis and secretion, Cushing’s syndrome, and the prolactin signaling pathway.