I've had a swollen lymph node for a few months, which has shrunk in size, but still slightly visible. I also have tiny petechiae spots. I went to the my Doctor and a had a blood test. Results were fine. But the other day I developed a petechiae/purpura RASH just above my left armpit. It faded away the next day. Now I've spotted another big petechiae rash on the back of my right arm. I'm worried that I have lymphoma or something. I know that my blood test result was normal, but the big rashes have only started this week, and my blood test was a month ago. Any advice or reassurance? I'm so scared.