Bufalin inhibits immune escape in metastatic colorectal cancer by regulating M2 macrophage polarization - Chang Lu; Jing Shang; Manli Xie; Yuan Zhu; Jiani Zhong; Yujie He; Zengyou Xiao; Wen Chen; Ze-An Yang; Xiaoxia Tang; Peihao Yin; Jinbao Chen (Apoptosis, 2025)