Staging of colorectal cancer.

摘要: A chronological overview of the various staging systems for colorectal cancer is presented in an effort to demonstrate reason current state confusion. The Dukes 1932 system considered be gold standard because its simplicity and accuracy most often referred literature. Number positive nodes depth invasion are two variables that have been found predictors survival. In future, other prognostic factors such as nuclear morphology, flow cytometric characteristics, histological grade, vascular or lymphatic may also entered into equation. Use TNM at this time recommended since it completely describes appropriate allows conversion a common format. Future modifications could logically evolve from system.