Suggest Treatment For Swelling In Cervical Lymph Nodes

had excisional biopsy of lymph node after visit to hemonc and salivary gland removed instead no patho run on it as it was supposed to have been lymph node. still sick, igm levels low, had mono about 14 months prior that led to suspicion of lymphoma. one hemonc thinks he pursued the entire course of what he needed to even though a salivary gland was removed instea of lymph node. another hemonc thinks that is wrong and that i should still have excisional biopsy of lymph node. already had pet 3.6 suv cervical node but seem to have increase swelling painless under sternocleidomastoid. extreme fatigue, fevers in pm and feel horrible most of my days. work as nurse, difficult. any advice woul be appreciated. thank you.