TGFB1 and cancer: The enriched cancer hallmarks in low-risk group, including the interferon alpha (IFN-α) response, the interferon-γ (IFN-γ) response, IL-2/STAT5 signaling, IL-6/JAK/STAT3 signaling, epithelial mesenchymal transition, TGF-β signaling and hedgehog signaling.