MFH is an aggressive, deep-seated pleomorphic sarcoma with a high local recurrence rate and significant metastatic rate usually associated with a poor prognosis. 恶性纤维组织瘤是一种富侵犯性且深部多形性肉瘤，经常合并有代表不良预后的高复发率及远处转移机率。
Sulfasalazine monotherapy is recommended for patients with all disease durations and without poor prognostic features and includes those with all degrees of disease activity. 柳氮磺吡啶单一疗法为那些长期患有各种疾病和没有不良预后特征的，包含那些不同严重程度患病的患者推荐。
