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肺癌是临床上最常见的恶性肿瘤之一[1],能够早期发现、并及时治疗是医治关键。而临床实践显示:肺癌确诊时多为中、晚期而延误治疗,开胸取活检做病理检查创伤大,又易引起并发症[2],所以给肺癌的早期诊断带来了不便。现对98
Lung cancer is one of the most common malignant tumors in clinic [1]. Early detection and prompt treatment are the keys to treatment. The clinical practice shows that: the diagnosis of lung cancer mostly in the late treatment delay, thoracotomy biopsy do trauma, but also easy to cause complications [2], so to the early diagnosis of lung cancer brought inconvenience. Right now 98