aCT	Adjuvant chemotherapy
aCRT	Adjuvant chemoradiotherapy
aRT	Adjuvant radiotherapy
CCRT	Concomitant chemoradiotherapy
CI	Confidence interval
CONSORT	Consolidated Standards of Reporting Trials
DSS	Disease-specific survival
ECS	Extra capsular spread
EORTC	European Organization for Research and Treatment of Cancer
5-FU	5-fluorouracil
HR	Hazard ratio
IC	Induction chemotherapy
ICRT	Induction chemoradiotherapy
KM	Kaplan–Meier
LP	Larynx preservation
LEDFS	Laryngo-esophageal dysfunction-free survival
LFS	Laryngectomy-free survival
LPFRS	Larynx Preservation Failure Risk Score
n.a.	Not available
n.s.	Not significant
NCDB	National Cancer Data Base
OPL	Open partial laryngectomy
OS	Overall survival
pCRT	Primary chemoradiotherapy
p(C)RT	Primary radiotherapy or primary chemoradiotherapy
pRT	Primary radiotherapy
QoL	Quality of life
R+	Positive resection margin
SFX	Standard fractionation
TDRS	Total Dysphagia Risk Score
TLM	Transoral laser microsurgery
TL	Total laryngectomy
TPF	Docetaxel, cisplatin, 5-FU (an induction chemotherapy regimen)
TNM	Staging according to T = primary tumor, n = lymph node metastases, and M = distant metastases
rTNM	TNM of recurrent tumors
UICC	Union International Contre le Cancer (International Union against Cancer