Elemene Hydrogel Modulates the Tumor Immune Microenvironment for Enhanced Treatment of Postoperative Cancer Recurrence and Metastases

T cells, and M1-type macrophages, as well as elevating antitumor cytokines including TNF-α, IFN-γ, and IL-6. Overall, this study not only advances the field of TCM but also highlights the transformative impact of controlled-release hydrogels in improving antitumor therapy.