Early radiographic response to epidermal growth factor receptor-tyrosine kinase inhibitor in non-small cell lung cancer patients with epidermal growth factor receptor mutations: A prospective study

John W.C. Chang, Ming Mo Hou, Jia Juan Hsieh, Yun Chung Cheung, Hung Ming Wang, Jen Shi Chen, Cheng Hsu Wang, Chih Hung Chen, Kun Yun Yeh, Li Ying Ou, Chia Hsun Hsieh, Hong Dar Isaac Wu, Ying Tsong Chen, Il Chi Chang, Shiu Feng Huang