Diagnostic Accuracy of Doppler Ultrasound in Detecting Tumor Thrombus in Inferior Vena Cava (IVC) in Renal Cell Carcinoma. J Fatima Jinnah Med Univ [Internet]. 2018 Jul. 15 [cited 2026 Apr. 18];10(3). Available from: https://jfjmu.com/index.php/ojs/article/view/386