2025. FIRST EXPERIENCE AND SUCCESSFUL SURGICAL TREATMENT OF LEFT KIDNEY CANCER WITH EXTENDED TUMOR VENOUS THROMBOSIS OF THE INFERIOR VENA CAVITY AND RIGHT ATRIUM [LEVEL IV] IN THE REPUBLIC OF KAZAKHSTAN. Рецензируемый медицинский научно-практический журнал «Наука и здравоохранение». 26, 5 (Nov. 2025), 213–220. DOI:https://doi.org/10.34689/vjhn8e37.