Pyelonephritis (chronic) associated with anomaly of pelviureteric junctionPyelonephritis (chronic) associated with anomaly of pyeloureteric junctionPyelonephritis (chronic) associated with crossing of vesselPyelonephritis (chronic) associated with kinking of ureterPyelonephritis (chronic) associated with obstruction of ureterPyelonephritis (chronic) associated with stricture of pelviureteric junctionPyelonephritis (chronic) associated with stricture of ureter