Figures provided to the party show 15 per cent of chemotherapy patients and 23 per cent of radiotherapy patients do not start treatment on time.

Rowan O'Neill is staging the gig to give back to the Irish Cancer Society and all in the oncology unit in Our Lady of Lourdes Hospital, in Drogheda

Mary Lou McDonald said around 250,000 hospital appointments were cancelled last year, including 800 child chemotherapy appointments.