SS18 and chronic myelogenous leukemia, BCR-ABL1 positive: Being mindful of the immense effect the specific inhibition of the fusion gene bcr-abl has in CML (chronic myelogenous leukaemia) [187, 188], targeted therapy with inhibitors against SS18-SSX could be a new approach to treat synovial sarcoma, as already suggested by Kadoch and Crabtree [189].