Hi! Some History 2 1/2 Years Ago I Had A

hi! some history 2 1/2 years ago I had a stent placed common iliac arteral everything went great, on may 28, I started with the same symptoms again, went to hospital and the stent I already have was block again, so now I have a stent in a stent, since being release after spending 6 days in hospital, I have all then same symptons, expect for discoloration of my leg, starting getting better could walk with no problems, 2 weeks ago this sunday all the pain is back (except discoloration) from my front door to my mailbox is about 80 feet there and 80 feet back, I can walk to the mailbox but when I try to walk back the pain is so bad I just want to cry, ( I have a very high tolerance to pain) my medical history, I talk BP meds 40mg/12.5MG , metropolo 25MG, potassium 20MEG, aspirin 385MG, I take everything once daily. my left leg is numb from knee to groin area top side only, left side of left leg if you touch feels like it is bruised, from ankle to knee back part knee muscle in very sore, the more I walk the worse the pain and the numbness gets. when sleeping if I lay and either side for to long the pain wakes me up. I am afraid I have the blockage back