The role of immune cells in mediating the effects and prognosis of lipidome in ER+ breast cancer: A mendelian randomization study. - Chen, Fenyan; Hu, Congting; Peng, Pingping; Cai, Ziming; Liu, Suyan; Liu, Jia; Cai, Jiaqin; Wei, Xiaoxia; Sun, Hong (Journal of Chinese Pharmaceutical Sciences, 2026)