Metabolic reprogramming shapes the immune microenvironment in pancreatic adenocarcinoma: prognostic implications and therapeutic targets - Song, Weihua; Yu, Yabin; Wang, Siqi; Cui, Zhengyi; Zhu, Qiusi; Liu, Wangrui; Wei, Shiyin; Chi, Jiachang (Frontiers in Immunology, 2025)