Heart campaigner Sharon Cheng says the NHS appeal is a "waste of money".
The NHS said yesterday there are "good grounds" to appeal a decision made in the High Court regarding the future of children's heart surgery in Leeds.
Last month a judge ruled that the safe and sustainable review panel's decision to close the unit was based on flawed information
NHS England and the Care Quality Commission have confirmed that Children’s Heart Surgery Services at Leeds General Infirmary are safe.
Children's heart surgery is set to resume at Leeds General Infirmary after days of uncertainty over its future.
The Children's Heart Federation says the interests of management at the LGI have been "put ahead of critically ill children".