Characterization of Preoperative, Postsurgical, Acute and Chronic Pain in High Risk Breast Cancer Patients.

Background: Pain after breast cancer surgery remains largely unexplained and inconsistently quantified. This study aims to describe the perioperative pain patterns in patients with breast cancer, up to two years after surgery.

Methods: This is a pre-planned sub-study of the Ketorolac in Breast Cancer (KBC) trial.