Application of PD-1 Monoclonal Antibody in Combination With IL-2 and CapeOX in Organ Preservation Therapy for Ultra-Low Localized Advanced Rectal Cancer: A Single-center, Single-arm, Open-label Clinical Study (PICTURE)
The objective is to evaluate whether the neoadjuvant combination of PD-1 inhibitor tislelizumab and interleukin-2 (IL-2) can significantly enhance the complete response rate (cCR + local excision pCR) and organ preservation rate in patients with MSS/pMMR locally advanced rectal cancer.