Impact of preoperative anemia and perioperative transfusion on short-term outcomes in colorectal cancer surgery: The role of iron supplementation.

Background And Aim: Colorectal cancer is a common malignancy, and many patients with colorectal cancer experience preoperative anemia. Anemia and transfusions negatively impact short-term surgical outcomes. Management of anemia, including iron supplementation, has not been extensively studied in Japanese patients.