Chinese Guidelines on the Diagnosis and Treatment of Primary Lung Cancer (2011 Version) Xiuyi ZHI*, Yilong WU*, Shenglin MA, Tianyou WANG, Changli WANG, Jie WANG, Yuankai SHI, You LU, Lunxu LIU, Deruo LIU, Donghong CHEN, Yue YANG, Xiang DU, Hong BU, Qinghua ZHOU, Gening JANG, Baohui HAN, Gang CHENG, Ying CHENG, Shunchang JIAO Xiuyi ZHI and Yilong WU contributed equally to this paper. Beijing Lung Cancer Center, Department of Thoracic Surgery, Beijing Xuanwu Hospital, Capital Medical University, Beijing 100053, China; Guangdong Lung Cancer Institute, Department of Thoracic Surgery, Guangdong General Hospital, Guangzhou 510030, China; Department of Radiation Therapy, Zhejiang Cancer Hospital, Hangzhou 310022, China; Department of Thoracic Surgery, Beijing Friendship Hospital, Beijing 100050, China; Department of Lung Cancer Surgery, Tianjin Cancer Hospital, Tianjin 300060, China; Department of Thoracic Medical Oncology, Beijing Cancer Hospital, Peking University, Beijing 100142, China; Department of Medical Oncology, Cancer Hospital, Chinese Aacademy of Medical Sciences and Peking Union Medical College, Beijing 100021, China; Department of Medical Oncology, West China Hospital, Sichuan University, Chengdu 610041, China; Department of Thoracic Surgery, West China Hospital, Sichuan University, Chengdu 610041, China; Department of Thoracic Surgery, China-Japan Friendship Hospital, Beijing 100029, China; Department of Thoracic Surgery, Beijing Cancer Hospital, Peking University, Beijing 100142, China; Department of Pathology, Cancer Hospital, Fudan University, Shanghai 200032, China; Department of Pathology, West China Hospital, Sichuan University, Chengdu 610041, China; Department of Thoracic Surgery, Tianjin Medical University General Hospital, Tianjin 300052, China; Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai 200433, China; Department of Respiratory Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, China; Department of Medical Oncology, Beijing Hospital, Beijing 100005, China; Department of Medical Oncology, Jilin Cancer Hospital, Changchun 130012, China; Department of Medical Oncology, General Hospital of Chinese PLA, Beijing 100853, China Corresponding author: Xiuyi ZHI, E-mail: xiuyizhi@yahoo.com.cn DOI: 10.3779/j.issn.1009-3419.2012.12.01