Warning Signs Of Peritoneal Cancer

Rectal Bleeding

Rectal bleeding may occur as a symptom in an individual affected by cancer of the peritoneum because of their malignancy. There are a few mechanisms that can contribute to the occurrence of this symptom in affected individuals. A growing malignant tumor in the peritoneum can compress the organs in the abdominal cavity and place an increased amount of pressure on the structures in the pelvic floor, including the rectum. Increased pressure on the rectum compounded by the natural mechanism of gravity can cause blood vessels in the rectum to become inflamed, swollen, and engorged with blood. These issues with the rectal blood vessels can result in the leakage of blood into the stool or around the anal region. Furthermore, a cancerous tumor growing in the peritoneum may be proximally close to the colon and rectum itself. The close proximity can result in tumor growth and infiltration of cancerous cells into the bowel or rectum. Cancerous tumors in the bowel or rectum cause damage to their specialized lining. This damage can cause tiny blood vessels to burst, and blood to leak into the stools.

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