Cervical cancer (CC) is a significant global health issue and remains one of the leading causes of cancer-related mortality in women. Radiotherapy is a crucial treatment modality for CC; however, tumor heterogeneity and resistance to radiotherapy often result in suboptimal outcomes for some patients, including recurrence and metastasis. Periostin (POSTN), a matricellular protein within the tumor microenvironment, has been implicated in the promotion of tumor progression and treatment resistance, particularly through mechanisms such as epithelial-mesenchymal transition (EMT). Despite this, the ...