COL1A2 and cancer: As presented in Fig. 2B, compared with corresponding normal controls, COL1A2 was significantly upregulated in 17 cancer types (i.e. BRCA, CHOL, COAD, DLBC, ESCA, GBM, HNSC, KIRC, LGG, LIHC, LUSC, PAAD, READ, SARC, STAD, TGCT, and THYM), 7 of which had no corresponding normal controls in TIMER database (i.e. DLBC, GBM, LGG, PAAD, SARC, TGCT, and THYM).