Leiomyosarcoma of the kidney with massive thrombosis of the inferior vena cava: a clinical case and a review of the literature. Texa. Jour. of Medi. Scie. [Internet]. 2022 Dec. 10 [cited 2025 Dec. 5];15:9-16. Available from: https://zienjournals.com/index.php/tjms/article/view/2930