肺癌是世界范围内引起死亡的最常见的恶性肿瘤。大部分病人在疾病晚期才有临床症状,预后很差。相反,如果能早发现Ⅰ期肺癌患者,其5年存活率可达75%。因此对人群进行肺癌筛查,早期发现肺癌,早期手术治疗可以提高5年生存率。本文就目前的肺癌筛查技术包括影像学、痰液相关的检查、血清肺癌标志物及一些新技术做一综述。 Lung cancer is the most common malignancy that causes death worldwide. Most patients have clinical symptoms late in the disease, the prognosis is poor. On the contrary, if I can early detection of stage I lung cancer patients, the 5-year survival rate of up to 75%. Therefore, the crowd of lung cancer screening, early detection of lung cancer, early surgical treatment can improve the 5-year survival rate. This article reviews the current lung cancer screening techniques including imaging, sputum-related tests, serum lung cancer markers and some new technologies.