For citations:
Borota A.V., Plakhotnikov I.A., Gulmamedov V.A., Polunin G.E., Borota A.A., Kondratenko E.G. Small intestine tumor after proctocolectomy for ulcerative colitis (clinical case). Koloproktologia. 2025;24(2):130-135. https://doi.org/10.33878/2073-7556-2025-24-2-130-135