Total ureteral replacement with a small intestinal graft as a reconstructive stage of combined treatment for recurrent colorectal cancer: case report

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A 48-year-old female underwent total ureteral replacement with a small intestinal graft due to recurrent colorectal cancer.
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The patient previously had low anterior rectal resection and presented with ureteral obstruction caused by a tumor.
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Surgical treatment involved en bloc resection of the recurrent mass, left ureter removal, adnexectomy, and segmental colectomy.
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Ureteral reconstruction was performed after chemotherapy, utilizing a small intestinal graft and creating a stapled transverse-rectal anastomosis.
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This case highlights the role of organ-preserving reconstruction in improving outcomes for patients with advanced rectal cancer.

Frontiers In Oncology

by Sergey K. Efetov, Maksim V. Volgin, Aleksandra Y. Koziy, Igor V. Fokin, Camilla R. Azilgareeva, Nina B. Paramonova, Mikhail E. Enikeev, Airazat M. Kazaryan
June 1, 2026

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