“…The renal cortical thickness should be assessed 43 . The kidneys, specifically the renal cortices, sinuses, and pelves, as well as the perirenal regions, should be assessed for abnormalities including collecting system dilatation, calculi, masses, and other abnormalities 6,44–51 . Contrast‐enhanced ultrasound may be helpful in evaluating suspected focal renal lesions 52,53 .…”