Situs Inversus is a rare birth defect in which a person is born with organs facing backwards. A patient in India may be the only living person known to have the affliction:
Link | Information about Situs Inversus | Image: US Department of Health and Human Services
In Mr Shivnani's case, they discovered the aorta and inferior vena cava, which pump clean blood in and impure blood from the heart were reversed. He also has two livers.
"While operating we were supposed to know the exact location of everything that we are going to touch. But in this case we were not sure which veins were entering where," Dr Prakash Sanzgiri told the Times of India.
Surgeons also found he had no small intestine and three vessels supplying blood to his infected kidney.
Link | Information about Situs Inversus | Image: US Department of Health and Human Services
Situs inversus is actually fairly common (about 1/10,000 births) and many people that have it don't even know they do (til they go in for a medical procedure).
It has an interesting relationship to a syndrome called Kartengener's Syndrome, but I'll leave that to you all to find out...
She knew but took pleasure in not telling xray techs and doctors up front so she could "watch the fun" as she put it.
(That's a run on sentence and I don't care.)