Staging Colon Cancer Prognosis

A relative survival rate compares people with the same type and stage of cancer to people in the overall population.

Staging colon cancer prognosis. A change in bowel habits such as diarrhea constipation or narrowing of the stool that lasts for more than a few days. As reported by the american cancer society localized cancer that hasn t. The earliest stage colorectal cancers are called stage 0 a very early cancer and then range from stages i 1 through iv 4. And within a stage an earlier letter means a lower stage.

The outcome or prognosis of colon cancer depends on the stage or advancement of the cancer. Staging colon cancer is essential to determine the best treatment approach. Colon cancer is typically staged based on a system established by the american joint committee on cancer called the tnm. Stage 4 colon cancer is divided into four stages based on the size location and characteristics of the tumors.

The more abnormal the cells look. Stage 4 colon cancer is the most advanced stage and has the worst prognosis. A higher number such as stage iv means cancer has spread more. Staging helps determine what treatments are most appropriate for you.

Colorectal cancer might not cause symptoms right away but if it does it may cause one or more of these symptoms. Doctors also use a cancer s stage when talking about survival statistics. Whether it is present only in the inside lining of the colon or rectum has grown deeper into those tissues or has spread to. For example if the 5 year relative survival rate for a specific stage of colon or rectal cancer is 80 it means that people who have that cancer are on average about 80 as likely as people who don t have that cancer to live for at least 5 years after being diagnosed.

But there is no cancer in the lymph nodes small structures that are found throughout the body that make and. The staging of colorectal cancer describes the extent of the disease. Staging tests may include imaging procedures such as abdominal pelvic and chest ct scans. The stage of colon cancer refers to how far it s spread.

Cancer grade refers to how close the cancer cells look to normal cells. Stage ii colorectal cancers are larger and go through the muscular wall of the colon. The astler coller classification 1954 or the dukes classification 1932 are now less used. Colorectal cancer staging and prognosis the colorectal cancer staging can be made according to the tnm staging system from the who organization the uicc and the ajcc.