Significant differences in CGB2 expression in non-malignant tissues and primary tumor samples were noted for BLCA, ESCA, HNSC, LUSC and UCEC; p-value: 1 × 10−6, 0.006, <1 × 10−12, <1 × 10−12, 0.0017 respectively. The gene discussed is CGB2; the disease is neoplasm.