Classification of Invasiveness and Prediction of Ki-67 Expression Level in Pulmonary Ground-Glass Nodules Based on CT Images Using Artificial Intelligence - Hongda Pan; Siyuan Tang; Naiyu Wang; Yan Hu; Feng Qin; Yaoqiang Mu; Jinliang Zhao; Yuxin Wang; Jiajiang Xu (Journal of Mechanics in Medicine and Biology, 2026)