The Ombudsman found that "surgery was too risky for symptom control only, unless [the patient] had wished to proceed on a fully informed basis."
Upholding the family's complaint he said he "found that the surgeon was acting at the limit of his skills in undertaking such complex surgery."
More top news
Swansea City failed to capitalise on last weekend's dramatic win over Crystal Palace, as they fell to a heavy 5-0 defeat away at Tottenham.
Post Office workers and managers have held a third strike in a long-running dispute over job losses and pensions.
After a cloudy start it will be a dry day today. The cloud will break up this afternoon, with some bright or sunny spells developing