The kidney was about to be transplanted into a nine-year-old girl when doctors noticed the multiple arteries.
One patient needed 17 trips to the operating theater to be treated for a genital infection.
"I had thought fresh fruits were very nutritious and it would not do me harm by injecting them into my body," the woman reportedly said.
The competition aims to highlight the innovative spirit and curiosity of research in progress around the world.
This is believed to be the first case of a patient passing cancer on to four recipients.
Tammy Griffin met Linda Karr six weeks after she gave her her heart.
"She's private," Trump said of the first lady. "She doesn't want to talk about things."
"Somebody said, did she have a facelift? No," the president said of his wife.
Melania Trump has not traveled with the president to a G7 summit in Canada.
Report published at the European Congress on Obesity in Vienna.
"I have shared your letter with my staff, and they are working to see what help they can provide," Trump wrote back to the 8-year-old boy.