A variety of fusion genes have been reported in ALK-rearranged IMT of the female genital tract, including IGFBP5, THBS1, FN1, TIMP3, TPM3, TPM4, EML4, CTCL, RANBP2, SEC31A, DES, and DCTN1 (14). This evidence concerns the gene THBS1 and inflammatory myofibroblastic tumor.