Cancer and lymphoedema. Lymphoedema may develop when a cancer blocks a lymph node or some lymph vessels. Or it can happen if you have treatment for cancer that removes or damages part of the lymphatic system. Surgery and radiotherapy to the lymph nodes can cause lymphoedema.n some types of cancer, doctors now do a test called a sentinel node biopsy. This can reduce the need to remove all the lymph nodes, which helps to reduce the risk of lymphoedema. The sentinel node is the first lymph node (or first few nodes) that fluid drains to from the area of the tumour.
A polyp is an extra piece of tissue that grows inside your body. Colonic polyps grow in the large intestine, or colon. Most polyps are not dangerous. However, some polyps may turn into cancer or already be cancer. To be safe, doctors remove polyps and test them. Polyps can be removed when a doctor examines the inside of the large intestine during a colonoscopy.
A colorectal polyp is a growth on the lining of the colon or rectum. Polyps of the colon and rectum are most often benign. This means they are not a cancer and do not spread. You may have one or many polyps. They become more common with age. There are many types of polyps. Adenomatous polyps are a common type. They are gland-like growths that develop on the mucous membrane that lines the large intestine. They are also called adenomas and are most often one of the following: Tubular polyp, which protrudes out in the center of the colon.