GSTM1 and soft tissue sarcoma: Univariate analysis of the diagnosis of soft tissue sarcoma and clinical characteristics or laboratory data revealed a significant association between diagnosis and age (p < 0.001), tumor size (p < 0.001), WBC count (p < 0.001), Hb count (p < 0.001), CRP level (p < 0.001), and LDH level (p < 0.001).