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1前言肺癌是肺部最常见的致命性疾病之一,近年来随着计算机技术和放射肿瘤学的发展,精确放射治疗已成为肺癌的主要手段之一。而肺癌治疗失败的主要原因包括局部未控、复发和远处转移,远处转移也与局部复发有关。因此提高肺癌的局部控制率对控制肿瘤的复发和转移、提高患者的生
1 Introduction Lung cancer is one of the most common fatal diseases in the lungs. With the development of computer technology and radiation oncology in recent years, accurate radiotherapy has become one of the main means of lung cancer. The main reasons for the failure of lung cancer treatment include uncontrolled, recurrence and distant metastasis, distant metastasis is also associated with local recurrence. Therefore, to improve the local control of lung cancer on the control of tumor recurrence and metastasis and improve the health of patients