SERPINA1 and hereditary pheochromocytoma-paraganglioma: SERPINA1 expression was confirmed to be associated with immune subtypes in ACC, BLCA, BRCA, KICH, KIRC, LGG, LUAD, LUSC, OV (ovarian serous cystadenocarcinoma), PCPG (pheochromocytoma and paraganglioma), PRAD (prostate adenocarcinoma), SARC, SKCM, THCA, UCEC, and UVM (uveal melanoma) (Figure 4).