Abstract: Radiotherapy is an importment local treatment for non-small cell lung cancer. In recent years, with the development of molecular biology and radiotherapy technique and the update of equipment, radiation pattern with different doses segmentation and the concept of the combined therapy including radiotherapy and chemotherapy have been applied in clinic gradually, which get better effects.

Key words: color: black, font-family: "Times New Roman", mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, mso-bidi-language: AR-SA, mso-fareast-font-family: 宋体">Carcinoma, non-small cell lung, color: black, font-family: "Times New Roman", mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, mso-bidi-language: AR-SA, mso-fareast-font-family: 宋体">Radiotherapy, color: black, font-family: "Times New Roman", mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, mso-bidi-language: AR-SA, mso-fareast-font-family: 宋体">Fractionation