An oval-shaped radio-dense stone of about 2 x 1.5 cm size within the left renal pelvis (red arrows) associated with mild back pressure changes. A well-defined, 4.1 x 3.5 x 2.2 cm, fluid-density, non-enhancing lesion in the retro-crural region (green arrows), that is seen passing through the aortic hiatus (blue arrows) being posterior and to the right of the aorta, consistent with a large cisterna chyli.