대한대장항문학회

We report 1 case of multiple primary cancer developing in rectum and appendix.<br>Primary adenocarcinoma of the vermiform appendix is an unusual variant of colon<br>cancer and its incidence is rare. The simultaneous occurrence of adenocarcinoma of the<br>appendix with carcinoma of the rectum is extremely unusual. A preoperative diagnosis<br>of carcinoma of the appendix is seldom made with any degree of confidence. When<br>there is unusual symptoms of appendicitis preoperatively and unusual findings in<br>appendix in operative field, the surgeon must have suscipion to carcinoma of the<br>appendix. So, we report 1 case of synchronous invasive adenocarcinoma of the appendix<br>and the rectum with the brief review of the literature.<br>