NPC1L1 and malignant colon neoplasm: Decreased expression of NPC1L1 in subcutaneous adipose tissue was associated with a reduced risk of anal canal cancer (OR = 0.44, 95% CI: 0.21–0.94, p = 0.04), but an increased risk of colon cancer (OR = 1.26, 95% CI: 1.01–1.57, p = 0.04).