CYP27A1 and neoplasm: Besides, the low CYP27A1 expression was also related to worse prognosis in the N0 subgroup of N stage (p = 0.03, Fig. 4C), left subgroup of anatomic neoplasm subdivision (P = 0.001, Fig. 4D), and male subgroup of gender (p = 0.021, Fig. 4E).