Multiple colonic adenomas are characteristic of PPAP (0–100 cumulative polyps) [60,61,62,63], NTHL1 tumor syndrome (1–100 cumulative polyps) [64,65,66], MLH3-associated polyposis (10–100 cumulative polyps) [68], and LF (colorectal polyps) [24,25]. The gene discussed is MLH3; the disease is polyposis.