Fn DNA (983.65, 1.0E-4); HNSCC tissue (952.31, 1.0E-4); saliva sample (807.06, 1.0E-4); fusobacterium species (747.77, 1.0E-4); CRC diagnosis (713.57, 1.0E-4). The gene discussed is FN1; the disease is head and neck squamous cell carcinoma.