UBA1 is positively correlated with MSI in 8 types of tumours, including LUSC, KIRC, STAD, UCEC, UVM, TGCT, LUAD and LIHC, while negatively correlated with MSI in DLBC, pheochromocytoma and paraganglioma (PCPG) and READ (Figure S8B). This evidence concerns the gene UBA1 and pheochromocytoma.