Stage IV colon cancer is when the cancer has spread through the lymph nodes and the blood to other parts of the body, such as the lung, liver, ovaries or abdominal wall, according to the National Cancer Institute. Stage IV colon cancer is composed of stage IVA and stage IVB.
There are five major stages of colon cancer: 0, I, II, III and IV. Stages II through IV are also divided into substages that indicate how the cancer has spread within each stage, according to the National Cancer Institute.
Many people do not experience any symptoms when colon cancer is in early stages, according to Mayo Clinic. The presence and severity of symptoms depends on where the cancer is located in the colon. A change in bowel habits or blood in the stool are often warning signs.
Stage 4 colon cancer is a disease that has already spread to another site in the body, notes the Cancer Treatment Centers of America. It is the most advanced stage of the disease.
Pain is a rare symptom with colon cancer, especially in the early stages, as EMedicineHealth explains. Abdominal pain due to colon cancer typically only occurs if the cancer causes perforation or blockage of the bowel.
The stage 3 designation means colon cancer has spread beyond the colon to the lymph nodes. Within this designation, stage 3A refers to the presence of tumors within the colon wall that involve the lymph nodes and stage 3B refers to tumors that have grown through the colon wall and spread to between
According to Mayo Clinic, symptoms of colon cancer include rectal bleeding, persistent abdominal discomfort, unexplained weight loss, weakness or fatigue, the feeling that one's bowels do not completely empty and notable changes in bowel habits, including diarrhea or a change in consistency of stool
There are no symptoms during the early stages of colon cancer, according to the American Cancer Society. For this reason, the ACS recommends doctors screen men and women for this disease when they reach age 50. Those with a family history of this cancer begin screenings at an earlier age.
The most common symptoms of colon cancer include blood in the stool, changes in bowel behavior such as diarrhea or constipation, unexplained weight loss, or general fatigue and weakness, according to Mayo Clinic. Many people with early-stage colon cancer experience no symptoms.
Colon cancer is cancer of the colon, according to Mayo Clinic. Colon cancer is also known as colorectal cancer, which refers to cancers that start in the colon and rectum. The colon is a part of the digestive system also known as the large intestine.