Colon Cancer Tnm Staging System
Most hospitals and medical centers use the tnm system as their main method for cancer reporting.
Colon cancer tnm staging system. Colorectal carcinoma staging can be performed using two systems. How large is the tumor. Colon cancer is typically staged based on a system. The traditional dukes staging system has largely been replaced by the tnm system but is nonetheless often used clinically.
Generally the higher the stage number the more the cancer has spread. Often the stages 1 to 4 are written as the roman numerals i ii iii and iv. The most widely used cancer staging system is called the tnm classification system. For colorectal cancer there are 5 stages stage 0 followed by stages 1 to 4.
Doctors use it to describe the size of the tumour t whether the cancer has spread to lymph nodes n or to other parts of the body m. The size and extent of the main tumor t. There are 5 stages. As a rule the lower the number the less the cancer has spread.
The tnm system is the most widely used cancer staging system. Stage 0 zero and stages i through iv 1 through 4. A higher number such as stage iv means cancer has spread more. And within a stage an earlier letter means a lower stage.
Tumor grade which refers to how abnormal the cancer cellslook and how likely the tumor is to grow and spread. The most common staging system for colorectal cancer is the tnm system. Staging colon cancer is essential to determine the best treatment approach. The results are combined to determine the stage of cancer for each person.
The tnm staging system. Tumour node and metastasis tnm staging is one of the systems used to stage bowel colon and rectal cancer. The stage refers to the extent of the cancer or how far it has spread. The earliest stage colorectal cancers are called stage 0 a very early cancer and then range from stages i 1 through iv 4.