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超氧化物歧化酶（SOD）含量的高低间接反应了机体清除氧自由基的能力，而脂质过氧化物（LPO）含量的高低又间接反应了机体细胞受自由基攻击的严重程度。所以恶性肿瘤患者随着SOD含量变化，LPO含量也将发生相应改变［1］。且随恶性肿瘤病情变化，SOD、LPO含量也发生变化。为此，
The level of superoxide dismutase (SOD) indirectly reflects the ability of the body to scavenge oxygen free radicals, and the level of lipid peroxide (LPO) indirectly reflects the severity of the body’s cells being attacked by free radicals. Therefore, with the change of SOD content in malignant tumor patients, the LPO content will also change accordingly [1]. With the changes in the condition of malignant tumors, the contents of SOD and LPO also changed. to this end,