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Glossary beginning with O

A glossary of terms.
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Mutated gene that is a cause of a cancer. Several subtypes of acute myeloid leukaemia, acute lymphoblastic leukaemia and lymphoma and nearly all cases of chronic myeloid leukaemia are associated with an oncogene.


Overall survival. Indicates the proportion of people within a group who are expected to be alive after a specified time. Accounts for death due to any cause, both related and unrelated to the disease in question.

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