Peter Mandelson left hospital in good spirits yesterday after undergoing an operation for an enlarged prostate gland.
The Secretary of State for Business praised the treatment he received at St Mary's Hospital in Paddington, west London, where he spent Friday night recovering from the hour-long procedure.
Around 60 per cent of older men have some degree of prostate enlargement, caused by an overgrowth of cells which blocks the flow of urine. An operation to remove part of the gland is sometimes necessary.
As he left St Mary's yesterday, Lord Mandelson thanked the nurses and doctors who treated him: "Everything is now flowing extremely well. I am very proud to be an NHS patient."