PAQR5 and paraganglioma: In contrast, PAQR5 was low in glioblastoma multiforme, esophageal carcinoma, colon adenocarcinoma, KIRC, kidney chromophobe, kidney renal papillary cell carcinoma, pheochromocytoma, paraganglioma, lung squamous carcinoma, lung adenocarcinoma, prostate adenocarcinoma, thyroid carcinoma, and rectal adenocarcinoma (Figure 2A).