The most common early sign of lymphoma is lymph node swelling, but it is important to note that node swelling does not mean a person has lymphoma. Learn more. Lymphoma symptoms include fever, night sweats, swollen lymph nodes, and unintended weight loss. Other symptoms can occur with Hodgkin and non-Hodgkin lymphoma. Learn how night sweats, weight loss, fever, cough, pain and itching can be signs of lymphoma, a type of blood cancer. Find out when to see a doctor and what to do in case of emergency. Lymphoma is a cancer that starts in the white blood cells This article looks at the two main types: Hodgkin lymphoma and non-Hodgkin lymphoma, as well as diagnosis and treatment.