So much care it hurts: unneeded scans, therapy, surgery only add to patients' ills.

Overdiagnosis and overtreatment present a challenge to patient safety. This news article reports on the prevalence of overtreatment among patients with cancer, how it can result in patient harm, and patient stories that illustrate the impact of overtreatment. A past PSNet interview discussed the patient safety implications of diagnostic radiology overuse.