Hi Rokkit,
your pictures do not show the lumbar plexus: in order to do so, according to Dr.Galeotti protocol you have to enter on the left side and inject dye in the Iliac-lumbar vein. This vein branches off the Iliac vein a couple of inches before it joins the right Iliac vein to form the Inferior vena Cava

A normal lumbar plexus will look like this where you can see blood vessels following the contour of each vertebra.
In addition do not assume that because you have a bladder problem, your lesion has to be in the lower spine, because in reality it could be anywhere in your central nervous system.
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