Preschooler with abdominal pain Pediatric Imaging Surgical-Pathological-Clinical May 20, 2023April 25, 2023 Gross pathological image shows a large left renal mass along with the left ureter with the upper part of the mass being ballotable, demonstrating its primarily cystic nature. The diagnosis was cystic Wilms tumor. Related Published May 20, 2023April 25, 2023