From Greek: para allelois beside one another. Lines are parallel if they lie in the same plane, and are the same distance apart over their entire length. Try this Drag any orange dot at the points P or Q. As the line PQ moves, the line RS will remain parallel to it. Parallel lines remain the same distance apart over their entire length.
It is important to know whether the cancer has got into the lymph glands because they are one of the main mechanisms by which the cancer can spread to other parts of the body. As long as the spread is just to the lymph glands near to the colon then this would indicate Stage 3 cancer.
Testing for cancer may soon be as simple as a pinprick. Researchers in the United Kingdom say they are developing a universal blood test to detect cancer. So far, the team from the University of Bradford has tested their lymphocyte genome sensitivity test on patients with melanoma, lung cancer and colon cancer.esting for cancer may soon be as simple as a pinprick. Researchers in the United Kingdom say they are developing a universal blood test to detect cancer. So far, the team from the University of Bradford has tested their lymphocyte genome sensitivity test on patients with melanoma, lung cancer and colon cancer.