A Clinical Study of QL1706 Combined With Chemotherapy as Neoadjuvant Therapy for High-Risk Locally Advanced Cervical Cancer

Inclusion Criteria: * 1\) Age: 18-75 years; 2) Histologically confirmed cervical squamous cell carcinoma, adenosquamous carcinoma, or adenocarcinoma; 3) Locally advanced disease (Stage III-IVA per FIGO 2018 staging criteria, including IIIC1/IIIC2), confirmed by imaging evaluation; 4) ECOG performance status 0-1; 5) Expected to be able to complete external beam radiation therapy (EBRT) combined with brachytherapy; 6) No definite contraindications to radiotherapy; 7) Able to provide pathological specimens (≥18 qualified tissue slides) for biomarker testing; 8) No prior surgery, radiotherapy, chemotherapy, systemic therapy (including investigational drugs), or immunotherapy for cervical cancer; 9) At least one measurable lesion (per RECIST 1.1: ≥10 mm longest diameter for non-lymph node lesions on CT; ≥15 mm short axis for lymph node lesions on CT); 10) Expected survival ≥6 months; 11) Adequate major organ function. Hematology (without transfusion or blood products within 14 days): ANC ≥1.5×10⁹/L; platelets ≥80×10⁹/L; hemoglobin ≥9 g/dL. Biochemistry: total bilirubin \<1.5×ULN; AST and ALT ≤2.5×ULN; serum creatinine ≤1.5×ULN, or creatinine clearance ≥40 mL/min (using the standard Cockcroft-Gault formula); 12) Participants have signed informed consent and agree to comply with follow-up; 13) Women of childbearing potential must agree to use effective contraception during the study and for at least 12 months after the last dose (postmenopausal women or women not of childbearing po…