Computed tomography imaging and clinical characteristics of pulmonary ground‐glass nodules ≤2 cm with micropapillary pattern oleh Chen‐ran Guo, Lin Xu, Xiao Li, Yi‐lin Fu, Hui Wang, Rui Han, Geng‐sheng Li, Zhen Feng, Meng Li, Wan‐gang Ren, Zhong‐min Peng