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She added: “The documentary is Mari Grug – the mother, the wife, the daughter, the sister – and obviously the presenter which is a very big part of my life.
“All the emotions are there, throughout the documentary, and hopefully people will appreciate that.”
Mari said she will continue to have treatment until it stops working.
Hywel Dda health board’s Sharon Daniel said: “We are always open to receiving feedback and to discussing a patient’s treatment with them, to offer reassurance and consider alternatives.
“We see every one of our patients as an individual and we do our best to offer them the care they need to support them on the road to recovery.”
