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Rare Donor Search: Woman Advocates for Stem Cell Awareness

1/27/2026

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Summary

Story summary

Sian Chathyoka, 56, of Swansea, is preparing for a stem cell transplant after an aggressive myelofibrosis diagnosis.
She has learned there is only one matching donor on the global register.
The treatment has left her extremely fatigued.
She now advocates stem cell donation awareness and urges others to sign up to the register to save lives.
The NHS says 30,000 new UK donors are needed annually to meet transplant demand.

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Story summary

Sian Chathyoka, 56, of Swansea, is preparing for a stem cell transplant after an aggressive myelofibrosis diagnosis.
She has learned there is only one matching donor on the global register.
The treatment has left her extremely fatigued.
She now advocates stem cell donation awareness and urges others to sign up to the register to save lives.
The NHS says 30,000 new UK donors are needed annually to meet transplant demand.