Patients with known human immunodeficiency virus (HIV) seropositive are not eligible Patients known to be seropositive for human immunodeficiency virus (HIV) and active hepatitis, even if liver function studies are in the eligible range Known to be seropositive for human immunodeficiency virus; Subject is known to be seropositive for, or have an active infection with, human immunodeficiency virus (HIV). Patients seropositive for the human immunodeficiency virus (HIV). Seropositive for the human immunodeficiency virus (HIV). Patients who are human immunodeficiency virus (HIV) seropositive Patients seropositive for the human immunodeficiency virus (HIV). Patients who are (human immunodeficiency virus [HIV]) seropositive Known human immunodeficiency virus (HIV) seropositive Patients who are human immunodeficiency virus (HIV) seropositive Has known human immunodeficiency virus (HIV) seropositive. Patients who are known to be seropositive for human immunodeficiency virus (HIV) Human immunodeficiency virus (HIV) seropositive, or active hepatitis A, B, or C infection Known history of human immunodeficiency virus (HIV) seropositive status Know to be seropositive for human immunodeficiency virus (HIV) Known human immunodeficiency virus (HIV) seropositive Persons who are seropositive for human immunodeficiency virus (HIV) Patients who are human immunodeficiency virus (HIV) seropositive Patient is human immunodeficiency virus seropositive. Seropositive for human immunodeficiency virus (HIV) HIV-1 seropositive Known to be human immunodeficiency virus (HIV) seropositive Patients seropositive for the human immunodeficiency virus (HIV) Known history of human immunodeficiency virus (HIV) seropositive status Known to be seropositive for human immunodeficiency virus (HIV); an HIV test is not required for entry on this protocol, but is required if the patient is perceived to be at risk Patients who are known to be human immunodeficiency virus (HIV)-seropositive Human immunodeficiency virus (HIV) seropositive; testing for HIV should be within 6 months of enrollment Seropositive for the human immunodeficiency virus Known seropositive for HIV Known to be human immunodeficiency virus (HIV) seropositive Patients seropositive for the human immunodeficiency virus (HIV). HIV-1 seropositive Seropositive for human immunodeficiency virus (HIV) HIV-1 seropositive at or before the time of lymphoma diagnosis Human immunodeficiency virus (HIV) seropositive Patients known to be seropositive for human immunodeficiency virus (HIV) and active hepatitis, even if liver function studies are in the eligible range Known seropositive for or active viral infection with human immunodeficiency virus (HIV). Known human immunodeficiency virus (HIV) seropositive. Known history of human immunodeficiency virus (HIV) seropositive status Patients who are known to be seropositive for human immunodeficiency virus (HIV) Patients seropositive for the human immunodeficiency virus (HIV) Known to be seropositive for human immunodeficiency virus (HIV) Known to be human immunodeficiency virus (HIV) seropositive Known to be human immunodeficiency virus (HIV) seropositive who are on anti-HIV drugs Known to be human immunodeficiency virus (HIV) seropositive Known seropositive for human immunodeficiency virus (HIV) Known seropositive for or active viral infection with human immunodeficiency virus (HIV) Patients who are known to be seropositive for human immunodeficiency virus (HIV) Patients known to be seropositive for human immunodeficiency virus (HIV) and/or active hepatitis, even if liver function studies are in the eligible range Known history of human immunodeficiency virus (HIV) seropositive status Human immunodeficiency virus (HIV) seropositive patients Patients who are known seropositive for human immunodeficiency virus (HIV) Seropositive for the human immunodeficiency virus (HIV) Known or suspected human immunodeficiency virus (HIV) infection or patients who are HIV seropositive; Human immunodeficiency virus (HIV) seropositive Patients who are known seropositive for or who have active viral infection with human immunodeficiency virus (HIV) are not eligible Known history of a human immunodeficiency virus (HIV) seropositive test Known to be human immunodeficiency virus (HIV) seropositive Known human immunodeficiency virus (HIV)-seropositive and are taking anti-retrovirals may not participate in this study; participants who are HIV-seropositive and not on anti-retroviral therapy and who otherwise meet the inclusion/exclusion criteria will be eligible for the study Seropositive for the human immunodeficiency virus (HIV) Known to be human immunodeficiency virus (HIV) seropositive Patients who are seropositive for human immunodeficiency virus (HIV) Known seropositive for human immunodeficiency virus (HIV); HIV testing is not required; hepatitis testing is not required Seropositive for human immunodeficiency virus (HIV). Seropositive for human immunodeficiency virus (HIV). Subjects known to be seropositive for HIV or for HTLV-I Patients seropositive for HIV-1 or -2 Patients seropositive for the human immunodeficiency virus (HIV) Patients who are seropositive for human immunodeficiency virus (HIV) Patients who are human immunodeficiency virus (HIV) seropositive Patients seropositive for the human immunodeficiency virus (HIV) Patients seropositive for the human immunodeficiency virus (HIV)