Multiple hypodense locules with the caudal fibres of the expanded right iliacus muscle (black arrows) representing an abscess arising from XGP in the right kidney (note the marked asymmetry with the normal left iliacus) (Elder & Malek Stage 3 disease). Bubbles of gas are shown in the right inguinal region at the site of multiple secondary cutaneous sinuses (white arrow). Contrast is also visible within the sinuses following contrast sinography.