I have swelling of the lymph node at the base of my neck on the left side and then there is swelling of the skin on the left side back of my head and it will move from the left side to the right side and the lymph node o. The right will swell and the right side of the back of my head will swell and the swelling on the left side will go away its like it is moving and this has been going on for about five years now its tender but not sore I can brushing my hair my face swells as well when this happens and this happens approximately every two weeks I have had blood work, mri s ct s and my doctor says I have a problem but he cane not fine it I have had test after test can you possibly help me