- Patients < 66 years of age with other diseases treatable by allogeneic bone marrow transplant (BMT) whom through pre-existing chronic disease affecting kidneys, liver, lungs, and heart are considered to be at high risk for regimen related toxicity using standard high dose regimens; autografting must also be contraindicated in these patients and they must be approved for this protocol by both PCC and by the principal investigator; the following diseases are the likely candidates but other less common diseases may be considered and approved by PCC: