肺癌治疗关键是早期发现、早期诊断。我们在对3 4例肺癌确诊前临床分析中 ,发现入院检查伴有低钠血症 2 8例 ,不同程度贫血 3 0例 ,对早期诊断有一定的帮助 ,现分析如下。1　对象与方法1 .1　对象　本组病例均为经一段误诊时间而确诊的住院病人 (剔除咯血、衰竭病例 ) ,男 2 6 The key to lung cancer treatment is early detection and early diagnosis. In our previous clinical analysis of 34 cases of lung cancer, 28 cases of hyponatremia and 30 cases of different degrees of anemia were found on admission, which is helpful for early diagnosis. The analysis is as follows. 1 Subjects and Methods 1.1 The object of this group of patients were diagnosed by a period of misdiagnosis of inpatients (excluding hemoptysis, failure cases), male 2 6