Peritoneal cancer is a rare cancer that develops in the peritoneum, the tissue made of epithelial cells that line the abdominal wall. It’s sometimes called primary peritoneal cancer. It may also start in other areas, like the fallopian tube or ovaries.

Peritoneal cancer has characteristics similar to both ovarian cancer and fallopian tube cancer, and it is treated in the same way.

Here are answers to some common questions...