Colon Cancer Tnm Staging System

The stage provides a common way of describing the cancer so doctors can work together to plan the best treatments.

Colon cancer tnm staging system. Staging colon cancer is essential to determine the best treatment approach. As a rule the lower the number the less the cancer has spread. Tumour node and metastasis tnm staging is one of the systems used to stage bowel colon and rectal cancer. Colon cancer is typically staged based on a system.

A higher number such as stage iv means cancer has spread more. The traditional dukes staging system has largely been replaced by the tnm system but is nonetheless often used clinically. Most hospitals and medical centers use the tnm system as their main method for cancer reporting. Tumor grade which refers to how abnormal the cancer cellslook and how likely the tumor is to grow and spread.

How large is the tumor. The tnm staging system. The most widely used cancer staging system is called the tnm classification system. The stage refers to the extent of the cancer or how far it has spread.

The most common staging system for colorectal cancer is the tnm system. 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. This system assigns letters and numbers to the cancer to describe the tumor t the lymph nodes n and how. There are 5 stages.

Generally the higher the stage number the more the cancer has spread. Colorectal carcinoma staging can be performed using two systems. The size and extent of the main tumor t. And within a stage an earlier letter means a lower stage.

The earliest stage colorectal cancers are called stage 0 a very early cancer and then range from stages i 1 through iv 4. The results are combined to determine the stage of cancer for each person. The tnm system is the most widely used cancer staging system. Often the stages 1 to 4 are written as the roman numerals i ii iii and iv.