Feasibility and Diagnostic Accuracy of Ultrastaging in the Detection of Micrometastases in Sentinel and Non-sentinel Lymph Nodes in Cervical Cancer: A Single-Center Retrospective Study With a Five-Year Follow-Up Period

超声分期在宫颈癌前哨淋巴结和非前哨淋巴结微转移检测中的可行性和诊断准确性：一项单中心回顾性研究，随访五年