http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. Colorectal cancer patients with defects in mismatch repair--one of the body's systems for repairing DNA damage--have lower recurrence rates and better survival rates than patients without such defects, according to a study published online May 19th in the Journal of the National Cancer Institute. http://medicalxpress.com/news/2011-05-dna-affects-colon-cancer-recurrence.html Cancer Thu, 19 May 2011 16:23:38 EST news225040984 In the United States, older patients with advanced lung cancer make much less use of hospital and emergency room services at the end of life than their counterparts in Ontario but use far more chemotherapy, according to a study published May 18th online in the Journal of the National Cancer Institute. http://medicalxpress.com/news/2011-05-life-cancer-patients-differs-canada.html Health Wed, 18 May 2011 17:31:36 EST news224958674 Doctors often rely on a patient's knowledge of family medical history to estimate his or her risk of cancer. However, patient reports of family cancer history are not highly accurate, according to a study appearing May 11th online in the Journal of the National Cancer Institute. http://medicalxpress.com/news/2011-05-patient-relatives-cancer-history-accurate.html Cancer Wed, 11 May 2011 16:00:02 EST news224339151