CHDH and neoplasm: More specifically, PHGDH, PSAT1, FTCD, SHMT2, MTHFD2L, MTHFD2, MTHFD1L, MTHFD1, GCAT, SARDH, BHMT, CHDH, TYMS, GART, ATIC, ALDH1L2, DHFR, and MTFMT showed elevated expression in tumor tissues.