ATA	American Thyroid Association
CSS	Cause-specific survival
DSM	Disease-specific mortality
DTC	Differentiated thyroid cancer
EBRT	External-beam radio therapy
ETE	Extrathyroidal extension
FTC	Follicular thyroid cancer
HR	Hazard ratio
LNM	Lymph node metastases
NCDB	National Cancer Database
NED	No evidence of disease
OM	Overall mortality
OS	Overall survival
PTC	Papillary thyroid cancer
PTCFV	Papillary thyroid cancer follicular variant
RAI	Radioactive iodine
SEER	Surveillance, Epidemiology and End Results
Tg	Thyroglobulin
WBS	Whole-body scan