Methods Immunohistochemical straining was used to detect the expression of P27 in 63 cases of leiomyosarcoma and 10 normal tissues.All cases were followed-up for 5 years.

• 方法应用免疫组化方法检测63例平滑肌肉瘤组织中P27的表达，并对所有病例的5年存活情况进行随访。