Beverley Callard has suffered another setback amid her cancer battle. The actress, 69, announced in February that she had been diagnosed with the early stages of breast cancer and, following an initial operation that took place earlier this year and has been due to start radiotherapy for some time now. The Coronation Street legend, who played Liz McDonald on and off for 30 years, recently relocated to Ireland with her husband Jon McEwan so she could star in the RTE soap Fair City . There had