7.4 days

MEDICAL: Lymphoma and Nonacute Leukemia with CC 401

9.2 days

SURGICAL: Lymphoma and Nonacute Leukemia with Other O. R. Procedures with CC

M alignant lymphoma, also called lymphosarcoma or non-Hodgkin's lymphoma (NHL), is a diffuse group of neoplastic diseases that are characterized by rampant proliferation of lymphocytes. Lymphomas fall into two main categories: Hodgkin's and non-Hodgkin's lymphomas, based primarily on the presence or absence of the Reed-Sternberg cell; when the cells are absent, the disease is classified as NHL (Table 2).

Of the more than 60,000 new cases of lymphoma that are diagnosed each year in the United States, approximately 55,000 of them will be NHL. In the past 30 years, the incidence of NHL has increased by more than 80%, making it one of the largest increases of any cancer. This increase is unexpected and is only partially explained by earlier detection because of improved diagnostic techniques or human immunodeficiency virus (HlV)-associated lymphomas.

• TABLE 2 Comparison of Hodgkin's Disease and Non-Hodgkin's Lymphoma
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