<qa>  What is the primary aim of the study?The primary aim of the study is to test the hypothesis that tumour related disease free interval and overall survival are equivalent regardless whether patients receive laparoscopic colon resection LCR or open colon resection OCR at three and five years post operatively. The secondary aims of the study are to determine the safety of LCR compared to OCR and 30 day mortality and compare post operative pain, paralytic ileus, early and late morbidities including wound site recurrence, recovery, transfusion requirements, cost and quality of life scores. 