Overall, there was no significant association between rs55705857 and IDH-mutant bone/cartilaginous tumors collectively (OR = 0.72; p = 0.46), CHS (OR = 0.99; p = 0.99) or LGCTs (OR = 0.32; p = 0.14; n = 47). The gene discussed is IDH2; the disease is chondrogenic neoplasm.