Impacts of anemia and transfusion on oncologic outcomes in patients undergoing surgery for colorectal cancer

This study aimed to evaluate the prevalence of preoperative anemia and impacts of anemia and transfusion on survival in patients undergoing surgery for colorectal cancer. This study included patients who underwent surgery for primary colorectal cancer between 2011 and 2012. The influence of preoperative anemia and postoperative transfusion on recurrence-free survival and overall survival were retrospectively investigated. Anemia was defined as...