“EXTRAMURAL VENOUS INVASION AS A FACTOR OF DISTANT METASTASIS IN PATIENTS WITH LOCALLY ADVANCED RECTAL CANCER”. Voprosy onkologii 66, no. 2 (February 1, 2020): 155–159. Accessed October 14, 2026. https://voprosyonkologii.ru/index.php/journal/article/view/1068.