Ascertainment of Peripheral Blood or Saliva Samples for Genetic Epidemiology Studies of Familial Cancers

You may be eligible if

• Patients accepted for referral to the Cancer Family Clinic of the Department of Medicine at Memorial Sloan-Kettering Cancer Center are eligible for participation in this study. Such patients should have a history of cancers of the breast, ovary, colon, prostate, uterus, non-Hodgkin's lymphoma, leukemia, soft tissue sarcoma, endocrine neoplasms, or other malignancies presenting in first degree relatives or in successive generations as part of a suspected cancer family syndrome.
• Family members of probands including parents, sisters, brothers, half-brothers and sisters, sons, daughters, grandparents, as well as aunts and uncles are also eligible.
• This study involves research which presents no greater than minimal risk to children. The assent of any minor should be obtained before the patient is entered into this study.