Surgery to remove partial meniscal tears does not result in better knee function than medical treatment and physical therapy alone. Arthroscopic partial meniscectomies are one of the most common orthopedic procedures performed each year in the United States at a cost of $4 billion. These results of this study in the December 26, 2013 issue of the New England Journal of Medicine raise serious questions about the cost effectiveness of this surgical treatment and the ethics of using it as a future treatment.