MICA and synovial sarcoma: Genes significantly associated with SS and exhibiting pathogenicity include HLA-DQA1, HLA-DQB1, HLA-DRA (rs115575857), HLA-DRB1 (rs116232857),216 HLA-B (rs2523607)217 and MICA (MICA*008)218 in MHC region, TNF (rs1800629),219 STAT4(rs10168266)220 and IL12A (rs485497)216 in non-MHC region.