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. 2022 Feb 19;11(4):1112. doi: 10.3390/jcm11041112

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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A 67-year-old man with multiple renal lesions, status post SBRT one year prior for contra-lateral RCC. Grayscale ultrasound image of the left kidney in longitudinal orientation (a) shows an isoechoic exophytic nodule. Following the intravenous administration of 1.0 cc Lumason ultrasound contrast, a contrast-enhanced ultrasound image (b) shows the nodule demonstrating predominantly solid avid enhancement relative to the adjacent renal cortex. A partial nephrectomy revealed clear cell renal cell carcinoma, grade 2.