Prognostic determinants and functional role of PIK3C2G in stage IIb-IIIa lung adenocarcinoma: insights from clinical and molecular analyses - Gao, Chao; Zhang, Jiaqi; Du, Xin; Gao, Xuehan; Diao, Xiayao; Zhao, Ke; Chen, Yeye; Li, Shanqing (Frontiers in Oncology, 2025)