Staging Colon Cancer Prognosis

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.

Staging colon cancer prognosis. The earliest stage colorectal cancers are called stage 0 a very early cancer and then range from stages i 1 through iv 4. Staging helps determine what treatments are most appropriate for you. Factors that affect colon cancer prognosis. If you ve been diagnosed with colon cancer your doctor may recommend tests to determine the extent stage of your cancer.

The astler coller classification 1954 or the dukes classification 1932 are now less used. A relative survival rate compares people with the same type and stage of cancer to people in the overall population. A higher number such as stage iv means cancer has spread more. As a rule the lower the number the less the cancer has spread.

The staging of colorectal cancer describes the extent of the disease. And within a stage an earlier letter means a lower stage. Stage 4 colon cancer is divided into four stages based on the size location and characteristics of the tumors. Staging tests may include imaging procedures such as abdominal pelvic and chest ct scans.

But there is no cancer in the lymph nodes small structures that are found throughout the body that make and. As reported by the american cancer society localized cancer that hasn t. A change in bowel habits such as diarrhea constipation or narrowing of the stool that lasts for more than a few days. Stage ii colorectal cancers are larger and go through the muscular wall of the colon.

Doctors also use a cancer s stage when talking about survival statistics. 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. The more abnormal the cells look. Staging colon cancer is essential to determine the best treatment approach.

Stage 4 colon cancer is the most advanced stage and has the worst prognosis. The outcome or prognosis of colon cancer depends on the stage or advancement of the cancer. The stage of colon cancer refers to how far it s spread. Whether it is present only in the inside lining of the colon or rectum has grown deeper into those tissues or has spread to.