Terminally ill woman Emma Mhic Mhathúna has said her cancer has spread to her brain.

Speaking on RTÉ's Today with Miriam O'Callaghan, Ms Mhic Mhathúna said she was told yesterday that it had spread to the left side of her brain.

Last week the mother-of-five settled her case against the Health Service Executive and a US laboratory for €7.5 million.

She is one of 221 women affected by the cervical cancer controversy.

They received incorrect smear test results, which were discovered during a clinical audit by the CervicalCheck screening programme.

Ms Mhic Mhathúna was diagnosed with cervical cancer in 2016, but earlier this year she found out that a 2013 smear test that incorrectly gave her the all-clear, was later found to show signs of cancer.

The spread of cancer to her brain will cause symptoms such as seizures, loss of speech and concentration, she said.

She said she is not scared of dying because she has her faith, but it is explaining to her children that if she has a seizure what they will have to do, who they will need to phone.

"I am in the best of care... I don't know, it's just very sad, isn't it?"

Ms Mhic Mhathúna said her treatment for her cervical cancer had stopped because she also has Crohn's disease and that doctors were currently looking into treatments for her.

She said because of Crohn's she cannot take the cancer immunotherapy drug Pembrolizumab, which has reduced the size of Vicky Phelan's tumours.

Ms Phelan, who was diagnosed with terminal cancer after a false negative cervical smear test carried out as part of CervicalCheck, has said her tumours have shrunk significantly.

Speaking last month, she said that after three doses of Pembro her oncologist told her a CT scan showed there had been "a significant shrinkage" in her tumours.

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Ms Mhic Mhathúna said this morning that she hoped there would be changes in the tests so that what has happened to her would not happen to other women.