|  | There are a number of different conditions that affect the blood but are not leukaemias or lymphomas.
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These include:
 | Aplastic anaemia |
 | Multiple myeloma |
 | Myelodysplastic syndrome |
 | Myeloproliferative disorders |
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These are very rare in young people. Some of these conditions share symptoms with the blood cancers and some can transform into leukaemias. |
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