Objective To compare the effect of the ratio and quantity of metastasis lymph nodes on the prognosis of colon cancer patients.Methods The clinical data(gender,age,tumor location,tumor differentiation grade,total number of metastasis lymph nodes,the quantity and ratio of metastasis lymph nodes,recurrence time and overall survival time)of 81 colon cancer patients were collected.Based on ratio and quantity of metastasis lymph nodes,overall survival rate and diseasefree survival rate were estimated by Kaplan-Me...