GFAP and neoplasm: Immunohistochemistry panelAbbreviations: BC = balloon cells; DN = dysmorphic neurons; FCD = focal cortical dysplasia; GFAP = glial fibrillary acidic protein; LEAT = long‐term epilepsy associated tumor; LPA = line profile analysis; MAP2 = microtubule‐associated protein 2; ROI = region of interest study where small areas of interest were analyzed; WSA = whole slide analysis study