- Night sweats or fever
- Unexplained weight loss
- Swelling or pain in the abdomen
- Anemia
- Fatigue
- Diarrhea or constipation
- Nausea or vomiting
- The appearance of lumps under the skin on the abdomen
Symptoms are caused by a thickening of the peritoneal membrane and the resulting build-up of liquid between membrane layers. These kinds of changes in membrane structure put pressure around the stomach region and organs, inducing a patient to demonstrate symptoms of the cancer.
