PRL and cancer: A list of pathways that were notably enriched by the module nodes were pathways in cancer, FoxO signaling pathway, proteoglycans in cancer, PI3K-Akt signaling pathway, prolactin signaling pathway, cell cycle, microRNAs in cancer, HIF-1 signaling pathway, focal adhesion, T cell receptor signaling pathway, TNF signaling pathway, and sphingolipid signaling pathway (Fig. 10).