A clinical stage II or IV non-Hodgkin lymphoma with at least four of the following risk factors: albumin level less than 4.0 g/dl, hemoglobin level of less than 10.5 g/dl, male sex, forty-five years of age or older, stage IV disease, white cell count of at least 15,000 per cubic millimeter, absolute lymphocytic count of less than 600 per cubic millimeter or a lymphocytic count of less than 8% of the total white cell count. [from
NCI]