what causes primary peritoneal cancer?
It is said that the primary peritoneal cancer can start in any part of this membrane. The lower part of the abdomen (pelvis) is found to be the most affected. This disease is very rare in men. The most common type of peritoneal cancer is the one that occurs in the ovaries. The rarest form is the mesothelioma peritoneal cancer which affects the lining of the abdomen. Causes of Peritoneal Cancer. The exact cause of primary peritoneal cancer (PPC) is unknown. Certain risk factor such as age is estimated to increase the chance of developing the disease. In some cases this cancer is predicted to be due to the genetic factor although no evidence is available.