I don t see the cost for this, but 55yo, female, h/o DVT, PE, taking lovenox BID X7 yrs, IVC filter (X2), no DVT or PE for 5 or 6 yrs. Recent ear & throat infection, treated w/ Zpak X2. 2 days ago significantly large lymph nodes behind both ears. Swelling continues , but has subsided somewhat. Today - My right hip hurts, more with breathing. What the heck? Help?