A woman with a 100-year-old kidney has credited its longevity on coming from "good stock". She would know - it came from her mother.
Sue Westhead was 25 when she was diagnosed with kidney disease in 1973.
When told a transplant was her only chance of survival, her mother Ann Metcalfe, then aged 57, donated her kidney to her daughter.
Now Sue, 68, and her kidney are "still going strong", defying medical predictions over the organ's lifespan.
She said: "I think it's down to my mother's good genes. She must have come from good stock."
Sue, of Houghton-le-Spring, County Durham, had only one tenth of normal renal function when she was diagnosed.
Recalling the time, she said: "I could hardly walk, I was a different colour - I was yellow and all of a sudden I had a rosy glow.
"It was a pretty scary time, even when I was still on the ward people were dying.
"My mum literally gave me life because I wouldn't have lived much longer."
Ann Metcalf died in 1985 at the age of 69 following a road accident.