What is pseudomyxoma peritonei (PMP)?
Pseudomyxoma peritonei is a condition that starts in the appendix (usually) and affects the peritoneum, a layer of tissue which lines the inside of the abdomen.
How rare is it and who does it affect?
PMP occurs in approximately 3.2 people per million. It can affect people at any age but it is more common in adults. It is slightly more common in women than it is in men.




















