Here, PDAC patients with a low level of TGF-α expression had a remarkably high 5-year survival rate of 60%, whereas the 5-year survival rate dropped to 18% for patients with high intratumoral TGF-α content (The Protein Atlas database: https://www.proteinatlas.org/ENSG00000163235-TGFA/pathology/pancreatic+cancer). The gene discussed is TGFA; the disease is cancer.