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A, B. US examination of the right kidney. The liver creates an “acoustic window,” which renders the examination easier. C. Normal right kidney. The transducer is placed in the anterior axillary or midaxillary line. The kidney is well-visualized thanks to the liver which “stands in the way” of the ultrasounds running from the probe to the kidney and back. D. Right kidney with visible “parenchymal bridge” which is indicative of duplex pelvicalyceal collective system
