The West Australian | Martza O'Keefe
Mohamed El Shazly suffers from Hirschsprung's disease - a blockage of the large intestine where nerves are missing from sections of the bowel preventing the muscles in the bowel from working properly.
But it was her remarkable son - who has battled the life-threatening illness with courage all his life - who set her at ease straight away.
"I woke up twice in the night thinking something exciting and important is going to happen today," he told his mother even before she told him their four-year wait for a transplant donor was over.
"His response was very excited, very happy," she recalled a week after the surgery.