Lower Thyroid Cancer Mortality in Patients Detected by Screening: A Meta-Analysis.

"CONFLICTS OF INTEREST: No potential conflict of interest relevant to this article was reported."

"This study was supported by the Korean Thyroid Association, research funding from the National Cancer Center (Grant Number 2210521-2 and 2112570-3), and a grant from the National Research Foundation (NRF) of Korea (NRF-2020R1C1-C1003924)."

"For the purposes of this study, ITC was defined as an unexpected thyroid cancer incidentally detected by imaging methods (ultrasound, computed tomography [CT]/magnetic resonance imaging [MRI], and 18F-fludeoxyglucose [FDG] positron emission tomography [PET]/CT) or an analysis of a surgical pathology specimen. NITC was defined as thyroid cancer that had been detected due to clinical signs or symptoms (palpable thyroid lump, voice change or difficulty in swallowing, abnormality on a physical examination by a physician, and so on). This meta-analysis was performed following the Preferred Reporting Items for Systematic Reviews and Meta-analyses guidelines (, ) []. The flow diagram is shown in . The study protocol was registered in the Prospective Register of Systematic Reviews (number CRD42022365478)."