지난 20년간 발생한 대장암 환자들을 분석해 봤더니 직장암 비율은 줄고 결장암의 비율이 크게 늘어난 것으로 나타났습니다.
Analysis of colorectal cancer patients in the past 20 years have shown that the rate of colorectal cancer has decreased and the rate of colon cancer has increased significantly.