We measured the intensity of the signals of Histone H2A, Histone H4, Histone H2B, Tubulin β-2A, Tubulin α-1A and GFAP (m/z 1208) in each ROI (sample 1 tumour: N = 369, normal: N = 730; sample 3 tumour: N = 532, normal: N = 231). Here, GFAP is linked to neoplasm.