There are no symptoms of high cholesterol until the damage has been done. The damage usually takes the form of arterial blockage and can affect any part of the body.
The bockage location determine the symptoms from annoying to Death. Worst affects occur when the most important organs, brain and heart, are compromised. But you can have pain in the legs, malfunctioning kidneys, clots in lungs, all stemming from plaque blockages, inflammation and bursting.
MRIs and CAT scans should be able to find offending blockages.
(Most common cause of leg pain is sciatic nerve impingement, and lon-term stuffy nose: allergy.)