本文报告乳腺癌患者手术前后血清肿瘤坏死因子(ＴＮＦ)、唾液酸 (ＳＡ)和一氧化氮 (ＮＯ)联检的临床意义。对象和方法一、对象 :(一 )正常人 :30人。均为我院预防保健科体检合格的健康人 ,无心、肝、肺、肾等重要脏器疾患 ,肝、肾功能试验正常。年龄 2 0～ 2 9岁 ,平均 2 6 .2 This article reports the clinical significance of the combined detection of serum tumor necrosis factor (TNF), sialic acid (SA), and nitric oxide (NO) before and after surgery in patients with breast cancer. Objects and methods 1. Object: (a) Normal person: 30 people. All of them were healthy people who passed the physical examination in the Department of Preventive Medicine of our hospital. They had no heart, liver, lung, kidney and other important organ diseases. The liver and kidney function tests were normal. Age 20 to 29 years old, average 26.2