article_snippet: It typically begins in the appendix, presenting as a small growth, known as a polyp.
article_snippet: In more rare cases It is first detected in other parts of the bowel, the ovary or bladder.
article_snippet: The polyp eventually spreads through the wall of the organ from where The polyp has orginated.
article_snippet: disease spreads cancerous cells to the lining of the abdominal cavity - the peritoneum.
article_snippet: cancerous cells produce mucus, which collects in the abdomen as a jelly-like fluid called mucin.
article_snippet: a jelly-like fluid called mucin invades the abdominal cavity, causing tumours to spread.
highlights_snippet: A scan typically starts in the appendix and cancerous cells produce a mucus, jelly-like fluid that then invades the abdomen causing tumours to form .
  