Lymph Node, Night Sweats, Itching, Swelling Under Armpit. Blood Report, X-ray, Blood Work, Normal. Help?

Had a small neck lymph node pop up during a course of antibiotics late July for what dr thought was a sinus infection, went back and put me on another round of antibiotics and started having night sweats so went back and she gave me another antibiotic and referred me to ENT and I started having flare ups of itching head to toe. ENT did a neck CT and said lymph node was in normal range and loads of blood work that came back normal. Sent me to endo and internist and all bloods came back normal. Went back to ENT for checkup and he said shotty node but had another pop up under arm so he told me to go see my GP. She was concerned it might be a breast issue ao she sent me for a chest xray which was normal and ultrasound of armpit and breast which I go to Monday. I woke up yesterday with a swollen area under other armpit that is sore. I am extremely worried about lymphoma and mentioned this to all doctors but they don't seem concerned. I don't feel like anyone is taking me seriously and want to know how I can speed up process to rule that out.