CCDC6 and colorectal carcinoma: The other gene fusions detected in the MSI CRC cohort included two cases with ALK fusions (HGF intron16→ALK ex2, and STRN ex3→ALK ex20), 2 cases with RET fusions (CCDC6 ex1→RET ex12, NCOA4 ex9→RET ex12) and one case with the TRIM24 ex3→BRAF ex10 fusion (Figure 2).