[Leiomyosarcoma of the inferior vena cava (literature review)]. - Gurmikov BN; Sapelkin SV; Trifonov SA; Kovalenko YA; Karmazanovsky GG; Stepanova YA; Chzhao AV; Kalinin DV (Angiologiia i sosudistaia khirurgiia = Angiology and vascular surgery, 2023)