Can symptoms of lymphoma come and go i have lost 65 pds in about six months eating 5 x more now having pain in both sides of neck and groin very weak

Doubt lymphoma: However, if this is unexplained weight loss and you feel bad, then I'll conclude that you are seriously sick. You need a workup by a capable physician. This can be anything from a malignant lymphoma as you suspect to something as commonplace as overlooked gluten enteropathy or adult-onset cystic fibrosis to Whipple's to any of several dozen others.