Targeting Glutamine Metabolism Transporter SLC25A22 Enhances CD8+ T‐Cell Function and Anti‐PD‐1 Therapy Efficacy in Cervical Squamous Cell Carcinoma: Integrated Metabolomics, Transcriptomics and T‐Cell‐Incorporated Tumor Organoid Studies. This evidence concerns the gene PDCD1 and cervical squamous cell carcinoma.