Acquired immune deficiency syndrome (AIDS) based upon current Centers for Disease Control and Prevention (CDC) definition; note, however, that human immunodeficiency virus (HIV) testing is not required for entry into this protocol; protocol-specific requirements may also exclude immune-compromised patients Acquired immune deficiency syndrome (AIDS) based upon current Centers for Disease Control and Prevention (CDC) definition; note, however, that human immunodeficiency virus (HIV) testing is not required for entry into this protocol; the need to exclude patients with AIDS from this protocol is necessary Acquired immune deficiency syndrome (AIDS) based upon current Center for Disease Control and Prevention (CDC) definition; note, however, that human immunodeficiency virus (HIV) testing is not required for entry into this protocol Severe, active co-morbidity, defined as follows:\r\n* Unstable angina and/or congestive heart failure requiring hospitalization\r\n* Myocardial infarction within the last months\r\n* Acquired immune deficiency syndrome (AIDS) based upon current Centers for Disease Control and Prevention (CDC) definition; note, however, that human immunodeficiency virus (HIV) testing is not required for entry into this protocol\r\n* Major medical illnesses or psychiatric impairments that in the investigator's opinion will prevent administration or completion of protocol therapy Acquired immune deficiency syndrome (AIDS) based upon current Centers for Disease and Control (CDC) definition; note, however, that human immunodeficiency virus (HIV) testing is not required for entry into this protocol; protocol-specific requirements may also exclude immuno-compromised patients Severe, active co-morbidity, including but not limited to:\r\n* Unstable angina within the last months without subsequent corrective cardiovascular procedure\r\n* Acute bacterial or fungal infection requiring intravenous antibiotics at the time of registration\r\n* Hepatic insufficiency with AST, ALT, or bilirubin > x upper limit of normal, clinical jaundice, and/or coagulation defects\r\n* Acquired immune deficiency syndrome (AIDS) based upon current Centers for Disease Control and Prevention (CDC) definition; note, however, that human immunodeficiency virus (HIV) testing is not required for entry into this protocol; patients who are HIV seropositive but do not meet criteria for diagnosis of AIDS are eligible for study participation History of active primary immunodeficiency including, but not limited to acquired immune deficiency syndrome (AIDS) based upon current Centers for Disease Control and Prevention (CDC) definition; Note: human immunodeficiency virus (HIV) testing is not required for entry into this protocol; the need to exclude patients with AIDS from this protocol is necessary because the treatment involved in this protocol may be immunosuppressive; patients with known HIV, CD counts >= /uL, and undetectable viral loads who are stable on an antiretroviral regimen may be included Severe, active comorbidity, defined as follows:\r\n* Unstable angina in the last months\r\n* Transmural myocardial infarction within the last months\r\n* Acute bacterial or fungal infection requiring intravenous antibiotics at the time of registration\r\n* Acquired immune deficiency syndrome (AIDS) based upon current Centers for Disease Control and Prevention (CDC) definition; note, however that human immunodeficiency virus (HIV) testing is not required for entry into this protocol; protocol-specific requirements may also exclude immunocompromised patients Acquired immune deficiency syndrome (AIDS) based upon current Centers for Disease Control and Prevention (CDC) definition; patients with known AIDS will be ineligible for this protocol; patients with clinical suspicion of AIDS and who are unwilling to have an HIV test are not eligible for this trial Acquired Immune Deficiency Syndrome (AIDS) based upon current CDC definition Acquired immune deficiency syndrome (AIDS) based upon current Centers for Disease Control and Prevention (CDC) definition; note, however, that human immunodeficiency virus (HIV) testing is not required for entry into this protocol Acquired Immune Deficiency Syndrome (AIDS) based upon current CDC definition; note, HIV testing is required for entry into this protocol due to the immunologic basis for induction treatment. Acquired immune deficiency syndrome (AIDS) based upon current Centers for Disease Control and Prevention (CDC) definition or known human immunodeficiency virus (HIV) seropositivity; note, however, that HIV testing is not required for entry into this protocol Known acquired immune deficiency syndrome (AIDS) based upon current Centers for Disease Control and Prevention (CDC) definition or other acquired or congenital disorder of the immune system (. continued) f) Acquired Immune Deficiency Syndrome (AIDS) based upon current CDC definition; note, however, that HIV testing is not required for entry into this protocol. The need to exclude patients with AIDS from this protocol is necessary because the treatments involved in this protocol may be significantly immunosuppressive. g) Active connective tissue disorders, such as lupus or scleroderma, that in the opinion of the treating physician may put the patient at high risk for radiation toxicity. Acquired immune deficiency syndrome (AIDS) based upon current Centers for Disease Control and Prevention (CDC) definition; note, however, that human immunodeficiency virus (HIV) testing is not required for entry into this protocol Patients with acquired immune deficiency syndrome (AIDS) based upon current Center for Disease Control (CDC) definition or patients known to be human immunodeficiency virus (HIV) positive; note, however, that HIV testing is not required for entry into this protocol; the need to exclude these patients from this protocol is necessary because the treatments involved in this protocol may be significantly immunosuppressive Acquired Immune Deficiency Syndrome (AIDS) based upon current CDC (Centers for Disease Control) definition