MARCH1, MARCH2, MARCH3, and MARCH8 are associated with CRC (8–11), MARCH1, MARCH3, and MARCH6 are correlated with hepatocellular carcinoma (12–14), and MARCH1, MARCH5, MARCH7, and MARCH10 are associated with ovarian cancer (15–18). Here, MARCHF3 is linked to ovarian carcinoma.