STIM1 and neoplasm: A low correlation between malignant-derived STIM1 score and 4 tumor purity indices 40 (ESTIMATE [Estimation of STromal and Immune cells in MAlignant Tumours using Expression data], LUMP [leukocytes unmethylation for purity], IHC [immunohistochemistry] and CPE [consensus measurement of purity estimations]) were observed (Pearson's r: -0.05 ~ +0.12; Supplementary Figure S10).