aCT	adjuvant chemotherapy
aCRT	adjuvant chemoradiotherapy
aRT	adjuvant radiotherapy
AUC	area under the blood concentration-time curve
Carbo	Carboplatin
CDDP = cis	Cisplatin
CI	Confidence interval
DSS	Disease-specific survival
EORTC	European Organization for Research and Treatment of Cancer
5-FU	5-fluorouracil
HFX	hyerfractionation
HR	hazard ratio
KM	Kaplan-Meier
LC	local control
LP	larynx preservation
LFS	laryngectomy-free survival
n.a.	not available
NCDB	National Cancer Data Base
n pts.	number of patients
OPL	open partial laryngectomy
OR	odds ratio
OS	overall survival
PCM	pharyngeal constrictor muscles
pCRT	primary chemoradiotherapy
p(C)RT	primary radiotherapy or primary chemoradiotherapy
pRT	primary radiotherapy
SFX	standard fractionation
surg +/- a(C)RT	surgery with or without adjuvant (chemo)radiotherapy
TLM	transoral laser microsurgery
TL	total laryngectomy
TNM	staging according to T = primary tumor, n = lymphnode metastases, and M = distant metastases
rTNM	TNM of recurrent tumors
UICC	Union International Contre le Cancer (International Union against Cancer
VA = VALCSG	The Veterans Affairs Laryngeal Cancer Study Group