From the bodymap from the online tool GEPIA2 in Figure 3A, change fold of the median expression of TNFRSF1A between the brain tumor (red) and the corresponding normal brain (green) samples was obvious, which suggested that TNFRSF1A expression might have a significant difference between brain tumors and normal brain tissues. The gene discussed is TNFRSF1A; the disease is brain neoplasm.