I've heard there are a lot of complications associated with the cytoreduction surgery and peritoneal chemotherapy. Is this true?

The cytoreduction surgery and peritoneal chemotherapy may in many cases be the only treatment that can offer hope of long-term survival in cases of appendiceal cancer that have spread into the abdomen, but the treatment is associated with a high complication rate.  More about the complications associated with this treatment can be found at  Complications of Cytoreduction Surgery and HIPEC.