Lastly, the ssx2 gene, that is, found in the ctag1b/a subnetwork (Figure 3A), is involved in 80% of all synovial sarcomas as fusion protein products SSXT-SSX1 or SSXT-SSX2, derived from translocation t (X; 18) (p11.2; q11.2). This evidence concerns the gene SS18 and synovial sarcoma.