Dietary pattern analysis is a powerful technique to study the relationships between diet and
cancer, accounting for the specificities of overall dietary intake in each setting. The objective
of this study was to quantify the association between dietary patterns and colon and rectum
cancers. We evaluated 151 rectum and 102 colon cancer cases selected among surgical
patients at the Portuguese Oncology Institute, and 879 community controls. Dietary intake
was assessed using a validated food frequency questionnaire. Dietary patterns were�…