Four genes were associated with the tumor stage, including solute carrier family 6 member 14 (SLC6A14), polypeptide N-acetylgalactosaminyltransferase 5 (GALNT5), tetraspanin 1 (TSPAN1), and islet amyloid polypeptide (IAPP). The gene discussed is TSPAN1; the disease is neoplasm.