My Right Hip Starts With A Horrible Pain That Proceeds

my right hip starts with a horrible pain that proceeds to plns and needles to my feet which then goes completly to numb my foot .had a stent put in august in right groin .saw a vascular e no insuranc nov 3 2014 said veins have nothing to do with it . i have no insurance , don't know what steps to do next .also dr said it could be cancer. i have been to hospital 5 times since aug. all kinds of test and xrays 'no one said cancer