Vicky Phelan survives Cervical urged the government to make the treatment available to women across Ireland.
Drugs, pembrolizumab, in Ms Phelan's cancer tumors were significant in only three portions.
Pembrolizumab is offered to 221 women who were hit by the CervicalCheck scandal.
But the campaigner said that the treatment should be available to every woman who might need it.
Kilkenny native said she felt uncomfortable knowing she had access while others were not.
Ms Phelan said on the Claire Byrne Show on Tuesday: "For me, it's amazing if you can target this drug and you'll score high and your tumor will respond to it , you can live with this disease. "
The mothers, who now live in Annacotty in Limerick, raised the scandal collapse after she launched a High Court case against HSE and Clinical Pathology Laboratories, Austin, Texas for inaccurate injection tests.
The pembro drug treatment costs € 8,500 for one dose every three weeks.
Patients are advised to take for two years.
Another girl who spoke on the program was Aine Morgan of Co Galway who said that her only choice was pembro since going through chemo and radiotherapy.
Ms Morgan called for the drug to be given as part of a clinical trial due to its incredible cost.
The treatment is repaid by the HSE for patients who meet specific criteria with some types of melanomas and cancers.
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