EPIDEMIOLOGICAL CHARACTERISTIC OF SURVIVAL IN RECTAL CANCER: A LITERATURE REVIEW AND THE RESULTS OF OWN RESEARCH. Вопр. онкол. [Internet]. 2020 Jan. 1 [cited 2026 Oct. 14];66(1):36-41. Available from: https://voprosyonkologii.ru/index.php/journal/article/view/1053