Malignant Lymphomas:  Non-Hodgkin's lymphomas and lymphosarcomas originate in lymph glands and other lymphoid tissue.Lymphomas is categorizes in the degree of cellular differentiation and the presence or absence of nodularity.  Nodular lymphomas yield a better prognosis than diffuse forms, but prognosis is less hopeful in both than in Hodgkin's disease.

Cause:  Exact cause is unknown, but a virus is suspected.

Symptoms:

Swollen lymph glands
Enlarged tonsils
Enlarged adenoids
Painless rubbery nodes in the cervical supraclavicular area, with possible dyspnea and coughing
Fatigue
Malaise
Weight Loss
Fever
Night Sweats

Treatment:

May include:
Radiotherapy
Chemotherapy
Bone Marrow transplant is being investigation