JAMA internal medicine
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JAMA Intern Med
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JAMA internal medicine · Feb 2014
Randomized Controlled Trial Multicenter Study Comparative StudyOverdiagnosis in low-dose computed tomography screening for lung cancer.
Screening for lung cancer has the potential to reduce mortality, but in addition to detecting aggressive tumors, screening will also detect indolent tumors that otherwise may not cause clinical symptoms. These overdiagnosis cases represent an important potential harm of screening because they incur additional cost, anxiety, and morbidity associated with cancer treatment. ⋯ More than 18% of all lung cancers detected by LDCT in the NLST seem to be indolent, and overdiagnosis should be considered when describing the risks of LDCT screening for lung cancer.