TitleInferior vena cava agenesis presenting with extensive bilateral deep vein thrombosis: a case reportAuthors1.Mohammadamin Shabani Student Research Committee, Qom University of Medical Sciences, Qom, Iran 0000-0002-2333-8122 Mashabani1999@gmail.com2. Ali Khayyambashi, School of Medicine,Isfahan University of Medical Sciences,Isfahan,Iran3.Seyed Armin Mousavi School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran 4.Zahra Pourmohammadivafa Department of Occupational Therapy, Faculty of Rehabilitation Sciences, Tabriz University of Medical Sciences, Tabriz, Iran5. Reyhane HossieninezhadSchool of Medicine,Iran university of medical sciences,Tehran,Iran6.Niki Tadayon Associate Professor of Vascular surgery Shohada Tajrish hospital Shahid Beheshti University of Medical sciences (SBMU) Tehran,Iran7. Esmat Yazdi M.D, Department of internal medicine, clinical research Development Unit of Shohada Tajrish Hospital, Shahid Beheshti University of Medical Science, Tehran, IranCorrespond author:Esmat Yazdi M.D, Department of internal medicine, clinical research Development Unit of Shohada Tajrish Hospital, Shahid Beheshti University of Medical Science, Tehran, Iranesmtyzdi@gmail.com