Small lump on the left side of my neck, bad headaches,nausea,poor circulation,some dizziness, always cold always bloated and gassy......help.......have been to the hospital several times they can't find any thing........neck hurts and is sometimes stuff when I wake up as well as my hands and feet loose circulation so easily..help the hospital wrought that it was a thyroid problem but test came back negative...symptoms wotnt go away.