这个词是什么意思？
A sarcoma containing large spindle cells of smooth muscle. Although it rarely occurs in soft tissue, it is common in the viscera. It is the most common soft tissue sarcoma of the gastrointestinal tract and uterus. The median age of patients is 60 years. (From Dorland, 27th ed; Holland et al., Cancer Medicine, 3d ed, p1865)
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D007890 · MeSH 2026。
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