Log-rank analyses on the prognostic parameters were as follows: gender (χ2 = 1.25, p = 0.246 > 0.05), age (≥37 vs. <37; χ2 = 0.064, p = 0.800 > 0.05), tumor size (≥5 cm vs. <5 cm; χ2 = 0.56, p = 0.454 > 0.05), FNCLCC grade (χ2 = 0.17, p = 0.685 > 0.05), fusion gene types (SS18-SSX1 vs. SS18-SSX2; χ2 = 0.10, p = 0.756 > 0.05), mitotic rate (≥10/10 HPFs vs. <10/10 HPFs; χ2 = 0.01, p = 0.925 > 0.05), tumor resection (yes vs. no; χ2 = 5.13, p = 0.024 < 0.05) and tumor residual status (yes vs. no; χ2 = 8.55, p = 0.004 < 0.05). This evidence concerns the gene SSX2 and neoplasm.