Crossed renal ectopia is a rare congenital malformation. Only 36 cases of crossed renal ectopia with calculus have been recorded in literature. even a few cases of urolithiasis in them have been surgically managed. The majority of cases in literature have been published as single case reports. https://www.roneverhart.com/Medline-Wheelchair-Hip-Bolster-Positioners-Wheelchair-Hip-Bolster-Wedge-14-x-2-x-5-MDTHB1425/