VANGL1 and colorectal carcinoma: We previously found that Vangl1, a membrane‐associated atypical tetraspanin with a long intracellular C‐terminal domain (CTD) (that we renamed KITENIN [KAI1 C‐terminal interacting tetraspanin]), binds to the C‐terminus of KAI1 and acts as a metastasis‐enhancing protein in CRC.18