C1GALT1C1 and familial hyperphosphatemic tumoral calcinosis/hyperphosphatemic hyperostosis syndrome: Another four eEP were also detected according to their ImportantVar ranking: Termination of O-glycan biosynthesis (R-HSA-977068), Defective GALNT12 causes colorectal cancer 1 (CRCS1) (R-HSA-5083636), Defective GALNT3 causes familial hyperphosphatemic tumoral calcinosis (HFTC) (R-HSA-5083625), and Defective C1GALT1C1 causes Tn polyagglutination syndrome (TNPS) (R-HSA-5083632).