Can you explain how that is possible?

Question

Rohan lived in a rural area with his wife.
On a certain night, his wife complained of severe pain.
He hurriedly called the doctor and told him that his wife might be having appendicitis.
The doctor was surprised.
This was because he had himself taken out his wife's appendix about three years ago.
When diagnosed, Rohan's wife was came up with positive reports of appendicitis.
Can you explain how that is possible?

Answer 1

She is the second wife.