Right or left, right or wrong? Debate whirls over colorectal cancer distribution

Reports on the debate concerning the change in colorectal cancer distribution. Identification of tumors in the distal portion of the bowel; Data on the review of cases of colon and rectum cancer diagnosed from 1937 to 1948 at the Massachusetts General Hospital; Finding of right hand lesions.; Reports on the debate concerning the change in colorectal cancer distribution. Identification of tumors in the distal portion of the bowel; Data on the review of cases of colon and rectum cancer diagnosed from 1937 to 1948 at the Massachusetts General Hospital; Finding of right hand lesions.