Case Report: Acquired CDKN2A/B deletion and mTOR inhibitor resistance in TSC2-mutant metastatic epithelioid angiomyolipoma - Shuai He; Jing Yang; Jiguang Yang; Chunxia Li; Juan Shen; Xiaolong Ye; Zuping Liu; Wenhao Shen; Jun Zheng; Yongquan Wang (Frontiers in Medicine, 2026)