Core Viewpoint - Contrast enhanced ultrasound (CEUS) is found to be superior to contrast magnetic resonance (MR) and computed tomography (CT) in detecting residual or recurrent kidney tumors after kidney-sparing procedures, demonstrating 100% sensitivity and specificity [1] Group 1 - The study evaluated 193 kidney lesions in 188 patients across two medical centers over approximately six years [1] - The findings were presented at the 39th annual International Bubble Conference held in Chicago [1]