Robotic synchronous resection for rectal cancer with liver metastasis using NOSES technique: a case report (with video)

doi:10.3877/cma.j.issn.2095-3224.2026.01.011

Chinese Journal of Colorectal Diseases(Electronic Edition) ›› 2026, Vol. 15 ›› Issue (01): 92-96. doi: 10.3877/cma.j.issn.2095-3224.2026.01.011

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Robotic synchronous resection for rectal cancer with liver metastasis using NOSES technique: a case report (with video)

Kaiyu Wang¹, Rui Zhang², Haoran Jin², Zuohong Ma¹, Xin Li³, Lei Zhang⁴, Zhuo Yang⁵, Yefu Liu^†^,¹(), Na Li^†^,⁶()

¹Department of Liver Surgery, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang 110042, China
²Department of Colorectal Surgery, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang 110042, China
³Department of Anesthesiology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang 110042, China
⁴Department of Radiology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang 110042, China
⁵Department of Gynecology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang 110042, China
⁶Department of Gastroenterology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang 110042, China

Received:2025-09-15 Online:2026-02-25 Published:2026-03-11
Contact: Yefu Liu, Na Li

Abstract

Abstract:

The utilization of robotic systems for synchronous resection of rectal cancer with liver metastases and transvaginal specimen extraction remains uncommon. This report presents a 51-year-old female patient with rectal cancer and multiple liver metastases who successfully underwent conversion therapy followed by synchronous robotic resection with transvaginal specimen extraction. Both hepatic and rectal tumors were resected using shared trocar ports. The total operative time was 320 minutes, with an estimated blood loss of 50 mL. The patient recovered uneventfully without postoperative complications. This case demonstrates that robotic-assisted surgery is a safe and effective approach for synchronous resection of rectal cancer with multiple liver metastases and transvaginal specimen extraction.

Key words: Rectal cancer, Rectal cancer liver metastases, Conversion therapy, Synchronous resection, Natural orifice specimen extraction surgery (NOSES), Robotic surgery

Kaiyu Wang, Rui Zhang, Haoran Jin, Zuohong Ma, Xin Li, Lei Zhang, Zhuo Yang, Yefu Liu, Na Li. Robotic synchronous resection for rectal cancer with liver metastasis using NOSES technique: a case report (with video)[J]. Chinese Journal of Colorectal Diseases(Electronic Edition), 2026, 15(01): 92-96.

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