My 32 yr old son has been running fever for 3 months, been hospitalized for 5 days, dismissed for 6 days. All we know is he was anemic, enlarged spleen, with some mildly enlarged lymph nodes in abdomen. Found nodule on his thyroid while looking for enlarged lymph nodes in his neck. While in the hospital the gave him intravenous antibiotics and he never had a fever. I have Hashimoto's, and told his doctors. They are wanting to remove his spleen as they suspect some type of lymphoma. They did a bone marrow biopsy in the hospital which showed nothing abnormal. Could he possibly have hashimoto's ?