“Diagnostic Accuracy of Doppler Ultrasound in Detecting Tumor Thrombus in Inferior Vena Cava (IVC) in Renal Cell Carcinoma”, J Fatima Jinnah Med Univ, vol. 10, no. 3, Jul. 2018, Accessed: Apr. 18, 2026. [Online]. Available: https://jfjmu.com/index.php/ojs/article/view/386