Nevertheless, low TTC17 expression exhibited opposite effects on RFS in kidney renal papillary cell carcinoma and OS in cervical squamous cell carcinoma, kidney renal clear cell carcinoma, kidney renal papillary cell carcinoma, and pheochromocytoma and paraganglioma (Fig. 2d, Additional file 2: Fig. S2e-h). Here, TTC17 is linked to pheochromocytoma.