The opposite of normal. Deviating from the usual structure, position, condition, or behaviour. When referring to a growth or tumour, abnormal may mean that it is cancerous or premalignant (likely to become cancer).

A benign tumour occurring in glandular tissue or formed from glandular structures, which, if it becomes cancerous is known as an adenocarcinoma.

A benign growth in the bowel, which may later develop into cancer.

Lying nearby or next to.

The opening of the rectum to the outside of the body through which solid waste matter leaves.

The first main part of the large intestine, which passes upwards from the caecum on the right hand side of the abdomen.

Showing no open symptoms of the disease