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.
Chemotherapy and/or radiation is used in stage 4 colon cancer to treat the cancer that has spread to the lymph nodes and other parts of the body such as lungs, liver, stomach, and ovaries. Abdominal discomfort: Pain, cramping, bloating, nausea and gas may be felt by those with colon cancer. 2  Jaundice: Since the colon cancer has normally spread to the liver by stage 4, jaundice is also a symptom. 3  Other symptoms include unexplained fever, weight loss, fatigue, thrombosis.